import { Extension } from './Extension.js';
import { FhirPrimitive } from './FhirPrimitive.js';
export interface TestScript_Variable {
    /**
     * @description Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
     * @short Unique id for inter-element referencing
     */
    id?: string;
    /**
     * @description May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
     * @comment There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
     * @short Additional content defined by implementations
     */
    extension?: Extension[];
    /**
     * @description May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained andor the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.
  
  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).
     * @comment There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
     * @short Extensions that cannot be ignored even if unrecognized
     */
    modifierExtension?: Extension[];
    /**
     * @description Descriptive name for this variable.
     * @comment Placeholders would contain the variable name wrapped in ${} in "operation.params", "operation.requestHeader.value", and "operation.url" elements.  These placeholders would need to be replaced by the variable value before the operation is executed.
     * @short Descriptive name for this variable
     */
    name: FhirPrimitive<string>;
    /**
     * @description A default, hard-coded, or user-defined value for this variable.
     * @comment The purpose of this element is to allow for a pre-defined value that can be used as a default or as an override value. Test engines can optionally use this as a placeholder for user-defined execution time values.
     * @short Default, hard-coded, or user-defined value for this variable
     */
    defaultValue?: FhirPrimitive<string>;
    /**
     * @description A free text natural language description of the variable and its purpose.
     * @short Natural language description of the variable
     */
    description?: FhirPrimitive<string>;
    /**
     * @description The FHIRPath expression for a specific value to evaluate against the fixture body. When variables are defined, only one of either expression, headerField or path must be specified.
     * @comment If headerField is defined, then the variable will be evaluated against the headers that sourceId is pointing to.  If expression or path is defined, then the variable will be evaluated against the fixture body that sourceId is pointing to.  It is an error to define any combination of expression, headerField and path.
     * @short The FHIRPath expression against the fixture body
     */
    expression?: FhirPrimitive<string>;
    /**
     * @description Will be used to grab the HTTP header field value from the headers that sourceId is pointing to.
     * @comment If headerField is defined, then the variable will be evaluated against the headers that sourceId is pointing to.  If path is defined, then the variable will be evaluated against the fixture body that sourceId is pointing to.  It is an error to define both headerField and path.
     * @short HTTP header field name for source
     */
    headerField?: FhirPrimitive<string>;
    /**
     * @description Displayable text string with hint help information to the user when entering a default value.
     * @short Hint help text for default value to enter
     */
    hint?: FhirPrimitive<string>;
    /**
     * @description XPath or JSONPath to evaluate against the fixture body.  When variables are defined, only one of either expression, headerField or path must be specified.
     * @comment If headerField is defined, then the variable will be evaluated against the headers that sourceId is pointing to.  If expression or path is defined, then the variable will be evaluated against the fixture body that sourceId is pointing to.  It is an error to define any combination of expression, headerField and path.
     * @short XPath or JSONPath against the fixture body
     */
    path?: FhirPrimitive<string>;
    /**
     * @description Fixture to evaluate the XPathJSONPath expression or the headerField  against within this variable.
     * @comment This can be a statically defined fixture (at the top of the TestScript) or a dynamically set fixture created by responseId of the `action.operation` element.
     * @short Fixture Id of source expression or headerField within this variable
     */
    sourceId?: FhirPrimitive<string>;
}
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