import { IStyleFunctionOrObject } from '@uifabric-vue/utilities';
import { IStyle, ITheme } from '@uifabric/styling';
import { ISelectableOption, ISelectableDroppableTextProps } from '../../utilities/selectableOption';
import { IKeytipProps } from '../Keytip';
import { RectangleEdge } from '../../utilities/positioning';
import { ICheckboxStyleProps, ICheckboxStyles } from '../Checkbox';
import { ILabelStyleProps, ILabelStyles } from '../Label';
import { IPanelStyleProps, IPanelStyles } from '../Panel';
/**
 * {@docCategory Dropdown}
 */
export interface IDropdown {
    /**
     * All selected options
     */
    readonly selectedOptions: IDropdownOption[];
    focus: (shouldOpenOnFocus?: boolean) => void;
}
/**
 * {@docCategory Dropdown}
 */
export interface IDropdownProps extends ISelectableDroppableTextProps<IDropdown, HTMLDivElement> {
    /**
     * Input placeholder text. Displayed until an option is selected.
     * @deprecated Use `placeholder`
     */
    placeHolder?: string;
    /**
     * Options for the dropdown. If using `defaultSelectedKey` or `defaultSelectedKeys`, options must be
     * pure for correct behavior.
     */
    options: IDropdownOption[];
    /**
     * Callback for when the selected option changes.
     */
    onChange?: (event: Event, option?: IDropdownOption, index?: number) => void;
    /**
     * @deprecated Use `onChange` instead.
     */
    onChanged?: (option: IDropdownOption, index?: number) => void;
    /**
     * Custom renderer for the label.
     */
    /**
     * Custom renderer for placeholder text
     */
    /**
     * Custom renderer for placeholder text
     * @deprecated Use `onRenderPlaceholder`
     */
    /**
     * Custom renderer for selected option displayed in input
     */
    /**
     * Custom renderer for chevron icon
     */
    /**
     * Custom width for dropdown. If value is 0, width of the input field is used.
     * @defaultvalue 0
     */
    dropdownWidth?: number;
    /**
     * By default, the dropdown will render the standard way for screen sizes `large` and above, or
     * in a panel on `small` and `medium` screens. Manually set this prop to override this behavior.
     */
    /**
     * Keys that will be initially used to set selected items. This prop is only used when `multiSelect`
     * is true (use `defaultSelectedKey` for single select). Mutually exclusive with `selectedKeys`.
     */
    defaultSelectedKeys?: string[] | number[];
    /**
     * Keys of the selected items, only used when `multiSelect` is true (use `selectedKey` for single
     * select). If you provide this, you must maintain selection state by observing onChange events
     * and passing a new prop value in when changed. Passing null will clear the selection.
     * Mutually exclusive with `defaultSelectedKeys`.
     */
    selectedKeys?: string[] | number[] | null;
    /**
     * When multiple items are selected, this will be used to separate values in the dropdown input.
     *
     * @defaultvalue ", "
     */
    multiSelectDelimiter?: string;
    /**
     * If true, `onChange` will still be called when an already-selected item is clicked again in
     * single select mode. (Normally it would not be called in this case.)
     */
    notifyOnReselect?: boolean;
    /**
     * Deprecated at v0.52.0, use `disabled` instead.
     * @deprecated Use `disabled` instead.
     */
    isDisabled?: boolean;
    /**
     * Optional keytip for this dropdown
     */
    keytipProps?: IKeytipProps;
    /**
     * Theme provided by higher order component.
     */
    theme?: ITheme;
    /**
     * Call to provide customized styling that will layer on top of the variant rules.
     */
    styles?: IStyleFunctionOrObject<IDropdownStyleProps, IDropdownStyles>;
}
/**
 * {@docCategory Dropdown}
 */
export interface IDropdownOption extends ISelectableOption {
    /**
     * Deprecated at v.65.1, use `selected` instead.
     * @deprecated Use `selected` instead.
     */
    isSelected?: boolean;
}
/**
 * The props needed to construct styles.
 * This represents the simplified set of immutable things which control the class names.
 * {@docCategory Dropdown}
 */
export declare type IDropdownStyleProps = Pick<IDropdownProps, 'theme' | 'className' | 'disabled' | 'required'> & {
    /**
     * Whether the dropdown is in an error state.
     */
    hasError: boolean;
    /**
     * Specifies if the dropdown has label content.
     */
    hasLabel: boolean;
    /**
     * Whether the dropdown is in an opened state.
     */
    isOpen: boolean;
    /**
     * Whether the dropdown is currently rendering placeholder text instead of a selected option.
     */
    isRenderingPlaceholder: boolean;
    /**
     * Custom className for the panel that displays in small viewports, hosting the Dropdown options.
     * This is primarily provided for backwards compatibility.
     */
    panelClassName?: string;
    /**
     * Custom className for the callout that displays in larger viewports, hosting the Dropdown options.
     * This is primarily provided for backwards compatibility.
     */
    calloutClassName?: string;
    /**
     * Which edge the dropdown callout was positioned on relative to the title.
     */
    calloutRenderEdge?: RectangleEdge;
};
/**
 * Represents the stylable areas of the control.
 * {@docCategory Dropdown}
 */
export interface IDropdownStyles {
    /** Root element of the Dropdown (includes Label and the actual Dropdown). */
    root: IStyle;
    /** Refers to the label associated with the dropdown. This is enclosed by the root. */
    label: IStyle;
    /** Refers to the actual Dropdown element. */
    dropdown: IStyle;
    /** Refers to the primary title of the Dropdown (rendering the selected options/placeholder/etc.). */
    title: IStyle;
    /** Refers to the wrapping container around the downward pointing caret users click on to expand the Dropdown. */
    caretDownWrapper: IStyle;
    /** Refers to the downward pointing caret icon users click on to expand the Dropdown. */
    caretDown: IStyle;
    /** Refers to the error message being rendered under the Dropdown (if any). */
    errorMessage: IStyle;
    /** Refers to the element that wraps `dropdownItems`. */
    dropdownItemsWrapper: IStyle;
    /** Refers to the FocusZone wrapping the individual dropdown items. */
    dropdownItems: IStyle;
    /** Refers to the individual dropdown item. */
    dropdownItem: IStyle;
    /** Style for a dropdown item when it is being selected. */
    dropdownItemSelected: IStyle;
    /** Style for a dropdown item when it is disabled. */
    dropdownItemDisabled: IStyle;
    /** Style for a dropdown item when it is both selected and disabled. */
    dropdownItemSelectedAndDisabled: IStyle;
    /** Style for a dropdown item when it is hidden */
    dropdownItemHidden: IStyle;
    /**
     * Refers to the text element that renders the actual dropdown item/option text. This would be wrapped by the element
     * referred to by `dropdownItem`.
     */
    dropdownOptionText: IStyle;
    /** Refers to the dropdown separator. */
    dropdownDivider: IStyle;
    /** Refers to the individual dropdown items that are being rendered as a header. */
    dropdownItemHeader: IStyle;
    /**
     * Refers to the panel that hosts the Dropdown options in small viewports.
     * @deprecated Use `subComponentStyles.panel` instead.
     */
    panel: IStyle;
    /** Refers to the callout that hosts Dropdown options in larger viewports. */
    callout: IStyle;
    /** Subcomponent styles. */
    subComponentStyles: IDropdownSubComponentStyles;
}
/**
 * {@docCategory Dropdown}
 */
export interface IDropdownSubComponentStyles {
    /** Refers to the panel that hosts the Dropdown options in small viewports. */
    panel: IStyleFunctionOrObject<IPanelStyleProps, IPanelStyles>;
    /** Refers to the primary label for the Dropdown. */
    label: IStyleFunctionOrObject<ILabelStyleProps, ILabelStyles>;
    /** Refers to the individual dropdown item when the multiSelect prop is true. */
    multiSelectItem: IStyleFunctionOrObject<ICheckboxStyleProps, ICheckboxStyles>;
}
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