import { ChangeDetectorRef, ElementRef, EventEmitter } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { BooleanInput } from '@angular/cdk/coercion';
import { FocusableOption } from '@angular/cdk/a11y';
import { HasTabIndex } from '../../common/tabindex';
import { CanDisable } from '../../common/disabled';
import * as i0 from "@angular/core";
import * as i1 from "../../theme/src/theme-check.directive";
import * as i2 from "../../common/sapphire-view-encapsulation";
/** Change event object emitted by switch. */
export declare class SapphireSwitchChange {
    /** The new `selected` value of the switch. */
    readonly selected: boolean;
    /** The source switch of the event. */
    readonly source: SwitchComponent;
    constructor(
    /** The new `selected` value of the switch. */
    selected: boolean, 
    /** The source switch of the event. */
    source: SwitchComponent);
}
declare const _SwitchMixinBase: import("../../common/constructor").Constructor<HasTabIndex> & import("../../common/constructor").AbstractConstructor<HasTabIndex> & import("../../common/constructor").Constructor<CanDisable> & import("../../common/constructor").AbstractConstructor<CanDisable> & {
    new (_elementRef: ElementRef): {
        _elementRef: ElementRef;
    };
};
/**
 * A switch is used to let the user toggle between two possible exclusive states.
 * They are commonly used for "on/off" states.
 */
export declare class SwitchComponent extends _SwitchMixinBase implements ControlValueAccessor, CanDisable, HasTabIndex, FocusableOption {
    private changeDetectorRef;
    /**
     * Attached to the aria-label attribute of the host element. In most cases, aria-labelledby will
     * take precedence so this may be omitted.
     */
    ariaLabel: string;
    /**
     * Users can specify the `aria-labelledby` attribute which will be forwarded to the input element
     */
    ariaLabelledby: string | null;
    /** The 'aria-describedby' attribute is read after the element's label and field type. */
    ariaDescribedby: string;
    /** Name value will be applied to the input element if present */
    name: string | null;
    /** @default "lg" */
    size?: 'lg' | 'md' | 'sm';
    /** A unique id for the switch input. If none is supplied, it will be auto-generated. */
    id: string;
    /** Returns the unique id for the visual hidden input. */
    get inputId(): string;
    /** Event emitted when the switch's `selected` value changes. */
    readonly change: EventEmitter<SapphireSwitchChange>;
    /** The value attribute of the native input element */
    value: string | undefined;
    /** Whether the switch is required. */
    required: BooleanInput;
    /** Whether the switch is selected. */
    get selected(): boolean;
    set selected(value: BooleanInput);
    private _selected;
    /**
     * Whether the switch is disabled. This fully overrides the implementation provided by
     * mixinDisabled, but the mixin is still required because mixinTabIndex requires it.
     */
    get disabled(): boolean;
    set disabled(value: BooleanInput);
    private _disabled;
    /**
     * Whether the switch is readonly.
     */
    readonly: BooleanInput;
    /**
     * Called when the switch is blurred. Needed to properly implement ControlValueAccessor.
     * @docs-private
     */
    private onTouched;
    private controlValueAccessorChangeFn;
    /** The native `<input type="checkbox">` element */
    _inputElement: ElementRef<HTMLInputElement>;
    /** Optional note text to display below the checkbox label. */
    note?: string;
    constructor(elementRef: ElementRef<HTMLElement>, changeDetectorRef: ChangeDetectorRef, tabIndex: string);
    writeValue(value: any): void;
    registerOnChange(fn: (value: any) => void): void;
    registerOnTouched(fn: any): void;
    setDisabledState(disabled: boolean): void;
    /** Toggles the `selected` state of the switch. */
    toggle(): void;
    focus(): void;
    _onInputClick($event: Event): void;
    _onInteractionEvent(event: Event): void;
    _onBlur(): void;
    private emitChangeEvent;
    static ɵfac: i0.ɵɵFactoryDeclaration<SwitchComponent, [null, null, { attribute: "tabindex"; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SwitchComponent, "sp-switch", never, { "ariaLabel": "aria-label"; "ariaLabelledby": "aria-labelledby"; "ariaDescribedby": "aria-describedby"; "name": "name"; "size": "size"; "id": "id"; "value": "value"; "required": "required"; "selected": "selected"; "disabled": "disabled"; "readonly": "readonly"; "note": "note"; }, { "change": "change"; }, never, ["*"], false, [{ directive: typeof i1.ThemeCheckDirective; inputs: {}; outputs: {}; }, { directive: typeof i2.UseComponentStylesOnHost; inputs: {}; outputs: {}; }]>;
}
export {};