/**
 * Centralized TypeScript types for accessibility and form attributes
 * No more magic strings or numbers!
 */
/**
 * HTML5 autocomplete attribute values
 * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/autocomplete
 */
export type AutocompleteValue = 'off' | 'on' | 'name' | 'honorific-prefix' | 'given-name' | 'additional-name' | 'family-name' | 'honorific-suffix' | 'nickname' | 'email' | 'username' | 'new-password' | 'current-password' | 'one-time-code' | 'organization-title' | 'organization' | 'street-address' | 'address-line1' | 'address-line2' | 'address-line3' | 'address-level4' | 'address-level3' | 'address-level2' | 'address-level1' | 'country' | 'country-name' | 'postal-code' | 'cc-name' | 'cc-given-name' | 'cc-additional-name' | 'cc-family-name' | 'cc-number' | 'cc-exp' | 'cc-exp-month' | 'cc-exp-year' | 'cc-csc' | 'cc-type' | 'transaction-currency' | 'transaction-amount' | 'language' | 'bday' | 'bday-day' | 'bday-month' | 'bday-year' | 'sex' | 'url' | 'photo';
/**
 * HTML input types
 */
export type InputType = 'text' | 'email' | 'password' | 'number' | 'tel' | 'url' | 'search';
/**
 * HTML inputmode attribute values
 * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/inputmode
 */
export type InputMode = 'none' | 'text' | 'tel' | 'url' | 'email' | 'numeric' | 'decimal' | 'search';
/**
 * HTML button types
 */
export type ButtonType = 'button' | 'submit' | 'reset';
/**
 * Form encoding types
 */
export type FormEncType = 'application/x-www-form-urlencoded' | 'multipart/form-data' | 'text/plain';
/**
 * Form method types
 */
export type FormMethod = 'post' | 'get' | 'dialog';
/**
 * Form target types
 */
export type FormTarget = '_blank' | '_self' | '_parent' | '_top' | string;
/** Source of truth for ARIA attribute value types */
type AriaAttrs = import('svelte/elements').AriaAttributes;
type AriaAttrValue<K extends keyof AriaAttrs> = NonNullable<AriaAttrs[K]>;
/** ARIA boolean values (can be string or boolean per ARIA spec) */
export type AriaBoolean = AriaAttrValue<'aria-expanded'>;
/** ARIA tristate values (for checkboxes, etc.) */
export type AriaTristate = AriaAttrValue<'aria-pressed'>;
/** ARIA haspopup values */
export type AriaHaspopup = AriaAttrValue<'aria-haspopup'>;
/** ARIA live region values */
export type AriaLive = AriaAttrValue<'aria-live'>;
/** ARIA current values */
export type AriaCurrent = AriaAttrValue<'aria-current'>;
/** ARIA relevant tokens */
export type AriaRelevant = AriaAttrValue<'aria-relevant'>;
/** ARIA orientation values */
export type AriaOrientation = AriaAttrValue<'aria-orientation'>;
/**
 * Common ID reference type
 */
export type IdReference = string;
/**
 * Direction type for arrow keys
 */
export type Direction = 'up' | 'down' | 'left' | 'right';
/**
 * Helper type to normalize ARIA boolean values
 * Converts string literals to actual booleans
 */
export type NormalizedAriaBoolean<T> = T extends 'true' | 'false' ? boolean : T;
/**
 * Helper to normalize ARIA tristate values
 */
export type NormalizedAriaTristate<T> = T extends 'true' | 'false' | 'mixed' ? boolean | 'mixed' : T;
/**
 * Utility constants for common values
 */
export declare const CONSTANTS: {
    /** Default autocomplete values for common form fields */
    readonly AUTOCOMPLETE: {
        readonly EMAIL: "email";
        readonly USERNAME: "username";
        readonly PASSWORD: "current-password";
        readonly NEW_PASSWORD: "new-password";
        readonly NAME: "name";
        readonly FIRST_NAME: "given-name";
        readonly LAST_NAME: "family-name";
        readonly PHONE: "tel";
        readonly POSTAL_CODE: "postal-code";
    };
    /** Common button types */
    readonly BUTTON_TYPE: {
        readonly BUTTON: "button";
        readonly SUBMIT: "submit";
        readonly RESET: "reset";
    };
    /** Common input types */
    readonly INPUT_TYPE: {
        readonly TEXT: "text";
        readonly EMAIL: "email";
        readonly PASSWORD: "password";
        readonly NUMBER: "number";
        readonly TEL: "tel";
        readonly URL: "url";
        readonly SEARCH: "search";
    };
    /** Common input modes */
    readonly INPUT_MODE: {
        readonly NONE: "none";
        readonly TEXT: "text";
        readonly TEL: "tel";
        readonly URL: "url";
        readonly EMAIL: "email";
        readonly NUMERIC: "numeric";
        readonly DECIMAL: "decimal";
        readonly SEARCH: "search";
    };
    /** Form encoding types */
    readonly FORM_ENCTYPE: {
        readonly URLENCODED: "application/x-www-form-urlencoded";
        readonly MULTIPART: "multipart/form-data";
        readonly TEXT: "text/plain";
    };
    /** Form method types */
    readonly FORM_METHOD: {
        readonly POST: "post";
        readonly GET: "get";
        readonly DIALOG: "dialog";
    };
    /** Form target types */
    readonly FORM_TARGET: {
        readonly BLANK: "_blank";
        readonly SELF: "_self";
        readonly PARENT: "_parent";
        readonly TOP: "_top";
    };
    /** ARIA live values */
    readonly ARIA_LIVE: {
        readonly POLITE: "polite";
        readonly ASSERTIVE: "assertive";
        readonly OFF: "off";
    };
    /** ARIA orientation values */
    readonly ARIA_ORIENTATION: {
        readonly HORIZONTAL: "horizontal";
        readonly VERTICAL: "vertical";
    };
    /** ARIA boolean values */
    readonly ARIA_BOOLEAN: {
        readonly TRUE: "true";
        readonly FALSE: "false";
    };
    /** ARIA tristate values */
    readonly ARIA_TRISTATE: {
        readonly TRUE: "true";
        readonly FALSE: "false";
        readonly MIXED: "mixed";
    };
};
/**
 * Type helper to extract values from constants object
 */
export type ConstValue<T> = T extends {
    [K: string]: infer V;
} ? V : never;
/**
 * Common form field configuration types
 */
export interface FormFieldConfig {
    /** Field identifier */
    id?: string;
    /** Field name for form submission */
    name?: string;
    /** Whether the field is required */
    required?: boolean;
    /** Whether the field is disabled */
    disabled?: boolean;
    /** Whether the field is read-only */
    readonly?: boolean;
    /** Field label */
    label?: string;
    /** Field description/help text */
    description?: string;
    /** Error message */
    error?: string;
}
/**
 * Accessible label configuration
 */
export interface LabelConfig {
    /** Direct label for screen readers */
    label?: string;
    /** ID of element that labels this component */
    labelledby?: string;
    /** ID of element that describes this component */
    describedby?: string;
}
/**
 * Validation state configuration
 */
export interface ValidationConfig {
    /** Whether the value is invalid */
    invalid?: boolean;
    /** Whether the field is required */
    required?: boolean;
    /** ID of element containing error message */
    errormessage?: string;
}
/**
 * Interactive state configuration
 */
export interface InteractiveStateConfig {
    /** Toggle button pressed state */
    pressed?: boolean | 'mixed';
    /** Expanded/collapsed state */
    expanded?: boolean;
    /** Checkbox/switch checked state */
    checked?: boolean | 'mixed';
    /** Listbox/tab/option selected state */
    selected?: AriaBoolean;
    /** Disabled state */
    disabled?: boolean;
    /** Busy/loading state */
    busy?: boolean;
    /** Current item within container (nav/breadcrumb/stepper) */
    current?: AriaCurrent;
}
/**
 * Widget-specific configuration
 */
export interface WidgetConfig {
    /** Element that this controls */
    controls?: string;
    /** Popup behavior */
    haspopup?: AriaHaspopup;
    /** Current value within a range */
    valuenow?: number;
    /** Text representation of value */
    valuetext?: string;
    /** Minimum value */
    valuemin?: number;
    /** Maximum value */
    valuemax?: number;
    /** Live region behavior */
    live?: AriaLive;
    /** Element ID that receives focus */
    activedescendant?: string;
    /** Current position in a list */
    posinset?: number;
    /** Total items in a list */
    setsize?: number;
    /** Heading level */
    level?: number;
    /** Orientation */
    orientation?: AriaOrientation;
}
export {};