---
parts:
  - API Table
  - Fieldset
title: 'Fieldset: API Table'
eleventyNavigation:
  key: API Table >> Fieldset
  title: API Table
  order: 90
  parent: Fieldset
---
# Fieldset: API Table
 

## class: `LionFieldset`, `lion-fieldset`

### Fields

| Name                       | Privacy   | Type                                  | Default                                                                                                                           | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | Inherited From     |
| -------------------------- | --------- | ------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------- |   | ------------------ |
| `defaultValidators`        | public    | `Validator[]`                         | `[new FormElementsHaveNoError()]`                                                                                                 | Used by Subclassers to add default Validators to a particular FormControl.&#xA;A date input for instance, always needs the isDate validator.                                                                                                                                                                                                                                                                                                                                                                                                         | ValidateMixin      |
| `dirty`                    | public    | `boolean`                             | `false`                                                                                                                           | True when any of the children is dirty (see InteractionStateMixin for more details.)                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | FormGroupMixin     |
| `disabled`                 | public    | `boolean`                             | `false`                                                                                                                           | Disables all formElements in group                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | DisabledMixin      |
| `done`                     | public    | `boolean`                             | `false`                                                                                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | FormRegistrarMixin |
| `fieldName`                | public    | `string`                              |                                                                                                                                   | Will be used in validation messages to refer to the current field                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | FormControlMixin   |
| `focused`                  | public    | `boolean`                             | `false`                                                                                                                           | True when any of the children is focused.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | FormGroupMixin     |
| `formattedValue`           | public    |                                       |                                                                                                                                   | Object keyed by formElements names, containing formElements' formattedValues                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | FormGroupMixin     |
| `formElements`             | public    | `FormControlsCollection`              | `new FormControlsCollection()`                                                                                                    | Closely mimics the natively supported HTMLFormControlsCollection. It can be accessed&#xA;both like an array and an object (based on control/element names).                                                                                                                                                                                                                                                                                                                                                                                          | FormRegistrarMixin |
| `hasFeedbackFor`           | public    | `ValidationType[]`                    | `[]`                                                                                                                              | As soon as validation happens (after modelValue/validators/validator param change), this&#xA;array is updated with the active ValidationTypes ('error'\|'warning'\|'success'\|'info' etc.).&#xA;Notice the difference with \`.showsFeedbackFor\`, which filters \`.hasFeedbackFor\` based on&#xA;\`.feedbackCondition()\`.&#xA;&#xA;For styling purposes, will be reflected to \[has-feedback-for="error warning"]. This can&#xA;be useful for subtle visual feedback on keyup, like a red/green border around an input.                             | ValidateMixin      |
| `helpText`                 | public    | `string`                              |                                                                                                                                   | The helpt text for the input node.&#xA;When no light dom defined via \[slot=help-text], this value will be used                                                                                                                                                                                                                                                                                                                                                                                                                                      | FormControlMixin   |
| `initComplete`             | public    | `Promise<any>`                        | `new Promise((resolve, reject) => { this.__resolveInitComplete = resolve; this.__rejectInitComplete = reject; })`                 | initComplete resolves after all pending initialization logic&#xA;(for instance \`\<form-group .serializedValue=${{ child1: 'a', child2: 'b' }}>\`)&#xA;is executed                                                                                                                                                                                                                                                                                                                                                                                   | FormRegistrarMixin |
| `isPending`                | public    | `boolean`                             | `false`                                                                                                                           | Flag indicating whether async validation is pending.&#xA;Creates attribute \[is-pending] as a styling hook                                                                                                                                                                                                                                                                                                                                                                                                                                           | ValidateMixin      |
| `label`                    | public    | `string`                              |                                                                                                                                   | The label text for the input node.&#xA;When no light dom defined via \[slot=label], this value will be used.                                                                                                                                                                                                                                                                                                                                                                                                                                         | FormControlMixin   |
| `labelSrOnly`              | public    | `boolean`                             | `false`                                                                                                                           | The label will only be visible for srceen readers when true                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | FormControlMixin   |
| `modelValue`               | public    |                                       |                                                                                                                                   | Object keyed by formElements names, containing formElements' modelValues                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | FormControlMixin   |
| `operationMode`            | public    | `OperationMode`                       |                                                                                                                                   | Types of input interaction of the FormControl (for instance 'enter'\|'select'\|'upload')                                                                                                                                                                                                                                                                                                                                                                                                                                                             | ValidateMixin      |
| `prefilled`                | public    | `boolean`                             |                                                                                                                                   | True when all of the children are prefilled (see InteractionStateMixin for more details.)                                                                                                                                                                                                                                                                                                                                                                                                                                                            | FormGroupMixin     |
| `readOnly`                 | public    | `boolean`                             | `false`                                                                                                                           | A Boolean attribute which, if present, indicates that the user should not be able to edit&#xA;the value of the input. The difference between disabled and readonly is that read-only&#xA;controls can still function, whereas disabled controls generally do not function as&#xA;controls until they are enabled.&#xA;(From: https\://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-readonly)                                                                                                                                         | FormControlMixin   |
| `registrationComplete`     | public    | `Promise<any> & {done?:boolean}`      | `new Promise((resolve, reject) => { this.__resolveRegistrationComplete = resolve; this.__rejectRegistrationComplete = reject; })` | registrationComplete waits for all children formElements to have registered                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | FormRegistrarMixin |
| `serializedValue`          | public    |                                       |                                                                                                                                   | Object keyed by formElements names, containing formElements' serializedValues                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | FormGroupMixin     |
| `showsFeedbackFor`         | public    | `ValidationType[]`                    | `[]`                                                                                                                              | Based on outcome of feedbackCondition, this array decides what ValidationTypes should be&#xA;shown in validationFeedback, based on meta data like interaction states.&#xA;&#xA;For styling purposes, it reflects it \`\[shows-feedback-for="error warning"]\`                                                                                                                                                                                                                                                                                        | ValidateMixin      |
| `submitted`                | public    | `boolean`                             | `false`                                                                                                                           | True when parent form is submitted                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | FormGroupMixin     |
| `touched`                  | public    | `boolean`                             | `false`                                                                                                                           | True when the group as a whole is blurred (see InteractionStateMixin for more details.)                                                                                                                                                                                                                                                                                                                                                                                                                                                              | FormGroupMixin     |
| `validationStates`         | public    | `ValidationStates`                    | `{}`                                                                                                                              | The outcome of a validation 'round'. Keyed by ValidationType and Validator name                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | ValidateMixin      |
| `validators`               | public    | `Validator[]`                         | `[]`                                                                                                                              | Used by Application Developers to add Validators to a FormControl.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | ValidateMixin      |
| `value`                    | public    | `string`                              | `''`                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | FormGroupMixin     |
| `_allValidators`           | protected | `(Validator \| MetaValidator)[]`      |                                                                                                                                   | Combination of validators provided by Application Developer and the default validators                                                                                                                                                                                                                                                                                                                                                                                                                                                               | ValidateMixin      |
| `_ariaDescribedNodes`      | public    | `HTMLElement[]`                       | `[]`                                                                                                                              | Contains all elements that should end up in aria-describedby of \`.\_inputNode\`                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | FormControlMixin   |
| `_ariaLabelledNodes`       | public    | `HTMLElement[]`                       | `[]`                                                                                                                              | Contains all elements that should end up in aria-labelledby of \`.\_inputNode\`                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | FormControlMixin   |
| `_feedbackConditionMeta`   | protected |                                       |                                                                                                                                   | Allows Subclassers to add meta info for feedbackCondition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | ValidateMixin      |
| `_feedbackNode`            | protected |                                       |                                                                                                                                   | Element where validation feedback will be rendered to                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | FormControlMixin   |
| `_helpTextNode`            | protected |                                       |                                                                                                                                   | Element where help text will be rendered to                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | FormControlMixin   |
| `_initialModelValue`       | protected |                                       |                                                                                                                                   | Gathers initial model values of all children. Used when resetGroup() is called.                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | FormGroupMixin     |
| `_inputId`                 | protected | `string`                              |                                                                                                                                   | Unique id that can be used in all light dom                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | FormControlMixin   |
| `_inputNode`               | protected |                                       |                                                                                                                                   | The host element with role group (or radio-group or form) containing necessary aria attributes                                                                                                                                                                                                                                                                                                                                                                                                                                                       | FormControlMixin   |
| `_isFormOrFieldset`        | protected | `boolean`                             | `true`                                                                                                                            | Flag that determines how ".formElements" should behave.&#xA;For a regular fieldset (see LionFieldset) we expect ".formElements"&#xA;to be accessible as an object.&#xA;In case of a radio-group, a checkbox-group or a select/listbox,&#xA;it should act like an array (see ChoiceGroupMixin).&#xA;Usually, when false, we deal with a choice-group (radio-group, checkbox-group,&#xA;(multi)select)                                                                                                                                                 | FormRegistrarMixin |
| `_isRepropagationEndpoint` | public    | `boolean`                             | `false`                                                                                                                           | By default, a field with \_repropagationRole 'choice-group' will act as an&#xA;'endpoint'. This means it will be considered as an individual field: for&#xA;a select, individual options will not be part of the formPath. They&#xA;will.&#xA;Similarly, components that (a11y wise) need to be fieldsets, but 'interaction wise'&#xA;(from Application Developer perspective) need to be more like fields&#xA;(think of an amount-input with a currency select box next to it), can set this&#xA;to true to hide private internals in the formPath. | FormControlMixin   |
| `_labelNode`               | protected |                                       |                                                                                                                                   | Element where label will be rendered to                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | FormControlMixin   |
| `_repropagationRole`       | public    | `'child'\|'choice-group'\|'fieldset'` | `'fieldset'`                                                                                                                      | Based on the role, details of handling model-value-changed repropagation differ.                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | FormControlMixin   |
| `_requestedToBeDisabled`   | protected | `boolean`                             | `false`                                                                                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | DisabledMixin      |
| `_visibleMessagesAmount`   | protected | `number`                              | `1`                                                                                                                               | The amount of feedback messages that will visible in LionValidationFeedback                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | ValidateMixin      |

### Methods

| Name                                     | Privacy   | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Parameters                                                                                                     | Return                      | Inherited From     |
| ---------------------------------------- | --------- |   | -------------------------------------------------------------------------------------------------------------- | --------------------------- | ------------------ |
| `addFormElement`                         | public    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `child: FormControl & {serializedValue:string\|object}, indexToInsertAt: number`                               |                             | FormRegistrarMixin |
| `addToAriaDescribedBy`                   | public    | Allows to add element references to aria-describedby attribute.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `element: HTMLElement, { idPrefix = '', reorder = true }, customConfig: {idPrefix?:string; reorder?: boolean}` |                             | FormControlMixin   |
| `addToAriaLabelledBy`                    | public    | Allows to add extra element references to aria-labelledby attribute.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | `element: HTMLElement, { idPrefix = '', reorder = true }, customConfig: {idPrefix?:string; reorder?: boolean}` |                             | FormControlMixin   |
| `clearGroup`                             | public    | Clears all values and resets all interaction states of all FormControls in group,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                                                |                             | FormGroupMixin     |
| `click`                                  | public    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | DisabledMixin      |
| `feedbackCondition`                      | public    | Allows the Application Developer to specify when a feedback message should be shown                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | `type: string, meta: object, currentCondition: ((type: string, meta: object) => boolean)`                      | `boolean`                   | ValidateMixin      |
| `isRegisteredFormElement`                | public    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `el: ElementWithParentFormGroup`                                                                               |                             | FormRegistrarMixin |
| `makeRequestToBeDisabled`                | public    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | DisabledMixin      |
| `removeFormElement`                      | public    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `el: FormRegisteringHost & FormControl`                                                                        |                             | FormRegistrarMixin |
| `removeFromAriaDescribedBy`              | public    | Allows to remove element references from aria-describedby attribute.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | `element: HTMLElement`                                                                                         |                             | FormControlMixin   |
| `removeFromAriaLabelledBy`               | public    | Allows to remove element references from aria-labelledby attribute.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | `element: HTMLElement`                                                                                         |                             | FormControlMixin   |
| `resetGroup`                             | public    | Resets to initial/prefilled values and interaction states of all FormControls in group,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                |                             | FormGroupMixin     |
| `resetInteractionState`                  | public    | Resets all interaction states for all formElements                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                                                                                                |                             | FormGroupMixin     |
| `retractRequestToBeDisabled`             | public    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | DisabledMixin      |
| `submitGroup`                            | public    | Handles interaction state 'submitted'.&#xA;This allows children to enable visibility of validation feedback                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |                                                                                                                |                             | FormGroupMixin     |
| `updateSync`                             | public    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `name: string, oldValue: ?`                                                                                    |                             | ValidateMixin      |
| `validate`                               | public    | Triggered by:&#xA; \- modelValue change&#xA; \- change in the 'validators' array&#xA; \- change in the config of an individual Validator&#xA;&#xA;Three situations are handled:&#xA;- a1) the FormControl is empty: further execution is halted. When the Required Validator&#xA;(being mutually exclusive to the other Validators) is applied, it will end up in the&#xA;validation result (as the only Validator, since further execution was halted).&#xA;- a2) there are synchronous Validators: this is the most common flow. When modelValue hasn't&#xA;changed since last async results were generated, 'sync results' are merged with the&#xA;'async results'.&#xA;- a3) there are asynchronous Validators: for instance when server side evaluation is needed.&#xA;Executions are scheduled and awaited and the 'async results' are merged with the&#xA;'sync results'.&#xA;&#xA;- b) there are MetaValidators. After steps a1, a2, or a3 are finished, the holistic&#xA;MetaValidators (evaluating the total result of the 'regular' (a1, a2 and a3) validators)&#xA;will be run...&#xA;&#xA;Situations a2 and a3 are not mutually exclusive and can be triggered within one \`validate()\`&#xA;call. Situation b will occur after every call. | `{ clearCurrentResult = false }, opts: { clearCurrentResult?: boolean }`                                       |                             | ValidateMixin      |
| `_anyFormElementHas`                     | protected | Returns true when one of the formElements has requested                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | `property: string`                                                                                             |                             | FormGroupMixin     |
| `_anyFormElementHasFeedbackFor`          | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `state: string`                                                                                                |                             | FormGroupMixin     |
| `_checkForOutsideClick`                  | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `event: Event`                                                                                                 |                             | FormGroupMixin     |
| `_completeRegistration`                  | protected | Resolves the registrationComplete promise. Subclassers can delay if needed                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                |                             | FormRegistrarMixin |
| `_dispatchInitialModelValueChangedEvent` | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | FormControlMixin   |
| `_enhanceLightDomA11y`                   | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | FormControlMixin   |
| `_enhanceLightDomA11yForAdditionalSlots` | protected | Enhances additional slots(prefix, suffix, before, after) defined by developer.&#xA;&#xA;When boolean attribute data-label or data-description is found,&#xA;the slot element will be connected to the input via aria-labelledby or aria-describedby                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | `additionalSlots: string[]`                                                                                    |                             | FormControlMixin   |
| `_enhanceLightDomClasses`                | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | FormControlMixin   |
| `_everyFormElementHas`                   | protected | Returns true when all of the formElements have requested property                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | `property: string`                                                                                             |                             | FormGroupMixin     |
| `_feedbackTemplate`                      | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_getAriaDescriptionElements`            | protected | This function exposes descripion elements that a FormGroup should expose to its&#xA;children. See FormGroupMixin.\_\_getAllDescriptionElementsInParentChain()                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                | `Array.<HTMLElement>`       | FormControlMixin   |
| `_getFromAllFormElements`                | protected | Gets a keyed be name object for requested property (like modelValue/serializedValue)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | `property: string, filterFn: (el: FormControl, property?: string) => boolean`                                  | `{[name:string]: any}`      | FormGroupMixin     |
| `_getFromAllFormElementsFilter`          | protected | A filter function which will exclude a form field when returning false&#xA;By default, exclude form fields which are disabled&#xA;&#xA;The type is be passed as well for more fine grained control, e.g.&#xA;distinguish the filter when fetching modelValue versus serializedValue                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | `el: FormControl, type: string`                                                                                | `boolean`                   | FormGroupMixin     |
| `_groupOneTemplate`                      | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_groupTwoTemplate`                      | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_hasFeedbackVisibleFor`                 | protected | Used to translate \`.hasFeedbackFor\` and \`.shouldShowFeedbackFor\` to \`.showsFeedbackFor\`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | `type: string`                                                                                                 |                             | ValidateMixin      |
| `_helpTextTemplate`                      | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_inputGroupAfterTemplate`               | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_inputGroupBeforeTemplate`              | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_inputGroupInputTemplate`               | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_inputGroupPrefixTemplate`              | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult \| nothing` | FormControlMixin   |
| `_inputGroupSuffixTemplate`              | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult \| nothing` | FormControlMixin   |
| `_inputGroupTemplate`                    | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_isEmpty`                               | protected | Used for Required validation and computation of interaction states                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | `modelValue: any`                                                                                              | `boolean`                   | FormControlMixin   |
| `_labelTemplate`                         | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                | `TemplateResult`            | FormControlMixin   |
| `_onBeforeRepropagateChildrenValues`     | protected | Hook for Subclassers to add logic before repropagation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | `ev: CustomEvent`                                                                                              |                             | FormControlMixin   |
| `_onFocusOut`                            | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `ev: Event`                                                                                                    |                             | FormGroupMixin     |
| `_onLabelClick`                          | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | FormControlMixin   |
| `_onRequestToAddFormElement`             | protected | Hook for Subclassers to perform logic before an element is added                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | `ev: CustomEvent`                                                                                              |                             | FormRegistrarMixin |
| `_onRequestToChangeFormElementName`      | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `ev: CustomEvent`                                                                                              |                             | FormRegistrarMixin |
| `_onRequestToRemoveFormElement`          | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `ev: CustomEvent`                                                                                              |                             | FormRegistrarMixin |
| `_onValidatorUpdated`                    | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `e: Event\|CustomEvent`                                                                                        |                             | ValidateMixin      |
| `_prioritizeAndFilterFeedback`           | protected | Orders all active validators in this.\_\_validationResult.&#xA;Can also filter out occurrences (based on interaction states)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | `{ validationResult }, opts: { validationResult: Validator[] }`                                                | `Validator[]`               | ValidateMixin      |
| `_repropagationCondition`                | protected | Based on provided target, this condition determines whether received model-value-changed&#xA;event should be repropagated                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | `target: FormControlHost`                                                                                      |                             | FormControlMixin   |
| `_setValueForAllFormElements`            | protected | Sets the same value for requested property in all formElements                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | `property: string \| number, value: any`                                                                       |                             | FormGroupMixin     |
| `_setValueMapForAllFormElements`         | protected | Allows to set formElements values via a keyed object structure                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | `property: string, values: { [x: string]: any; }`                                                              |                             | FormGroupMixin     |
| `_showFeedbackConditionFor`              | protected | Default feedbackCondition condition, used by Subclassers, that will be used when&#xA;\`feedbackCondition()\` is not overridden by Application Developer.&#xA;Show the validity feedback when returning true, don't show when false                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | `type: string, meta: object`                                                                                   |                             | ValidateMixin      |
| `_syncDirty`                             | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | FormGroupMixin     |
| `_syncFocused`                           | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | FormGroupMixin     |
| `_triggerInitialModelValueChangedEvent`  | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | FormControlMixin   |
| `_updateFeedbackComponent`               | protected | Responsible for retrieving messages from Validators and&#xA;(delegation of) rendering them.&#xA;&#xA;For \`.\_feedbackNode\` (extension of LionValidationFeedback):&#xA;- retrieve messages from highest prio Validators&#xA;- provide the result to custom feedback node and let the&#xA;custom node decide on their renderings&#xA;&#xA;In both cases:&#xA;- we compute the 'show' flag (like 'hasErrorVisible') for all types&#xA;- we set the customValidity message of the highest prio Validator&#xA;- we set aria-invalid="true" in case hasErrorVisible is true                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                |                             | ValidateMixin      |
| `_updateShouldShowFeedbackFor`           | protected |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                |                             | ValidateMixin      |

### Events

| Name                           | Type          | Description                                              | Inherited From   |
| ------------------------------ | ------------- | -------------------------------------------------------- | ---------------- |
| `form-element-name-changed`    | `CustomEvent` |                                                          | FormControlMixin |
| `model-value-changed`          | `CustomEvent` |                                                          | FormControlMixin |
| `showsFeedbackForChanged`      | `Event`       |                                                          | ValidateMixin    |
|                                | `Event`       |                                                          | ValidateMixin    |
| `shouldShowFeedbackForChanged` | `Event`       |                                                          | ValidateMixin    |
| `validate-performed`           | `Event`       | private event that should be listened to by LionFieldSet | ValidateMixin    |

### Attributes

| Name                 | Field              | Inherited From     |
| -------------------- | ------------------ | ------------------ |
| `submitted`          | submitted          | FormGroupMixin     |
| `focused`            | focused            | FormGroupMixin     |
| `dirty`              | dirty              | FormGroupMixin     |
| `touched`            | touched            | FormGroupMixin     |
| `prefilled`          | prefilled          | FormGroupMixin     |
| `_isFormOrFieldset`  | \_isFormOrFieldset | FormRegistrarMixin |
| `readonly`           | readOnly           | FormControlMixin   |
| `label`              | label              | FormControlMixin   |
| `label-sr-only`      | labelSrOnly        | FormControlMixin   |
| `help-text`          | helpText           | FormControlMixin   |
| `shows-feedback-for` | showsFeedbackFor   | ValidateMixin      |
| `is-pending`         | isPending          | ValidateMixin      |
| `disabled`           | disabled           | DisabledMixin      |

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