import * as i0 from '@angular/core';
import { Signal, ElementRef, InputSignal, ModelSignal, OutputEmitterRef } from '@angular/core';
import { ControlValueAccessor, NgControl } from '@angular/forms';

/** Switch size variants. */
type SwitchSize = 'sm' | 'md' | 'lg';
/** Switch color variants. */
type SwitchVariant = 'primary' | 'accent' | 'warn';
/**
 * CVA variants for the switch track (pill-shaped container).
 *
 * Uses `peer` selectors to style based on native input state:
 * - `peer-checked:` for on state
 * - `peer-focus-visible:` for keyboard focus
 * - `peer-disabled:` for disabled state
 *
 * @tokens `--color-primary`, `--color-primary-hover`,
 *         `--color-accent`, `--color-accent-hover`,
 *         `--color-warn`, `--color-warn-hover`,
 *         `--color-muted`, `--color-muted-hover`,
 *         `--color-disabled`, `--color-ring`, `--radius-pill`
 */
declare const switchTrackVariants: (props?: {
    variant?: SwitchVariant;
    size?: SwitchSize;
}) => string;
/** Size-based classes for the sliding thumb. */
declare const SWITCH_THUMB_SIZES: Record<SwitchSize, string>;
/** Size-based translate classes applied when the switch is checked. */
declare const SWITCH_THUMB_TRANSLATE: Record<SwitchSize, string>;
/** Size-based classes for the label content. */
declare const SWITCH_LABEL_SIZES: Record<SwitchSize, string>;

/** Event emitted when switch state changes. */
interface SwitchChange {
    checked: boolean;
    source: ComSwitch;
}
/**
 * Toggle switch component with full accessibility support.
 *
 * Uses a native `<input type="checkbox" role="switch">` for built-in keyboard
 * handling, `:checked` pseudo-class, and screen reader support.
 *
 * Implements `ControlValueAccessor` for Reactive Forms integration via
 * `NgControl` injection pattern (no `NG_VALUE_ACCESSOR` provider).
 *
 * @tokens `--color-primary`, `--color-primary-hover`,
 *         `--color-accent`, `--color-accent-hover`,
 *         `--color-warn`, `--color-warn-hover`,
 *         `--color-muted`, `--color-muted-hover`,
 *         `--color-background`, `--color-disabled`, `--color-disabled-foreground`,
 *         `--color-ring`, `--radius-pill`
 *
 * @example Basic usage
 * ```html
 * <com-switch [(checked)]="darkMode">Dark mode</com-switch>
 * ```
 *
 * @example With reactive forms
 * ```html
 * <com-switch formControlName="notifications">Push notifications</com-switch>
 * ```
 *
 * @example Variants and sizes
 * ```html
 * <com-switch variant="accent" size="lg">Large accent switch</com-switch>
 * <com-switch variant="warn" size="sm">Small warning switch</com-switch>
 * ```
 */
declare class ComSwitch implements ControlValueAccessor {
    /** Optional NgControl for reactive forms integration. */
    readonly ngControl: NgControl | null;
    /** Reference to the native input element. */
    readonly inputRef: Signal<ElementRef<HTMLInputElement> | undefined>;
    /** Unique ID for this switch instance. */
    private readonly uniqueId;
    readonly size: InputSignal<SwitchSize>;
    readonly variant: InputSignal<SwitchVariant>;
    readonly checked: ModelSignal<boolean>;
    readonly disabled: ModelSignal<boolean>;
    readonly htmlValue: InputSignal<string | undefined>;
    readonly name: InputSignal<string | undefined>;
    readonly id: InputSignal<string | undefined>;
    readonly ariaLabel: InputSignal<string | null>;
    readonly ariaLabelledby: InputSignal<string | null>;
    readonly ariaDescribedby: InputSignal<string | null>;
    readonly touched: ModelSignal<boolean>;
    readonly invalid: InputSignal<boolean>;
    readonly sfErrors: InputSignal<readonly unknown[]>;
    readonly sfRequired: InputSignal<boolean>;
    readonly changed: OutputEmitterRef<SwitchChange>;
    readonly inputId: Signal<string>;
    protected readonly trackClasses: Signal<string>;
    protected readonly thumbClasses: Signal<string>;
    protected readonly labelClasses: Signal<string>;
    private onChange;
    protected onTouched: () => void;
    constructor();
    writeValue(value: boolean): void;
    registerOnChange(fn: (value: boolean) => void): void;
    registerOnTouched(fn: () => void): void;
    setDisabledState(isDisabled: boolean): void;
    protected onBlur(): void;
    protected onInputChange(event: Event): void;
    /** Focuses this switch's input element. */
    focus(): void;
    /** Toggles the switch state programmatically. */
    toggle(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ComSwitch, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ComSwitch, "com-switch", ["comSwitch"], { "size": { "alias": "size"; "required": false; "isSignal": true; }; "variant": { "alias": "variant"; "required": false; "isSignal": true; }; "checked": { "alias": "checked"; "required": false; "isSignal": true; }; "disabled": { "alias": "disabled"; "required": false; "isSignal": true; }; "htmlValue": { "alias": "value"; "required": false; "isSignal": true; }; "name": { "alias": "name"; "required": false; "isSignal": true; }; "id": { "alias": "id"; "required": false; "isSignal": true; }; "ariaLabel": { "alias": "aria-label"; "required": false; "isSignal": true; }; "ariaLabelledby": { "alias": "aria-labelledby"; "required": false; "isSignal": true; }; "ariaDescribedby": { "alias": "aria-describedby"; "required": false; "isSignal": true; }; "touched": { "alias": "touched"; "required": false; "isSignal": true; }; "invalid": { "alias": "invalid"; "required": false; "isSignal": true; }; "sfErrors": { "alias": "errors"; "required": false; "isSignal": true; }; "sfRequired": { "alias": "required"; "required": false; "isSignal": true; }; }, { "checked": "checkedChange"; "disabled": "disabledChange"; "touched": "touchedChange"; "changed": "changed"; }, never, ["*"], true, never>;
}

export { ComSwitch, SWITCH_LABEL_SIZES, SWITCH_THUMB_SIZES, SWITCH_THUMB_TRANSLATE, switchTrackVariants };
export type { SwitchChange, SwitchSize, SwitchVariant };