import { SimpleChanges, OnChanges, OnDestroy, ChangeDetectorRef } from '@angular/core';
import { BooleanInput } from '@angular/cdk/coercion';
import { MatTimepicker } from './timepicker';
import { MatTimepickerIntl } from './timepicker-intl';
import * as i0 from "@angular/core";
export declare class MatTimepickerToggleIcon {
    static ɵfac: i0.ɵɵFactoryDeclaration<MatTimepickerToggleIcon, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<MatTimepickerToggleIcon, "[matTimepickerToggleIcon]", never, {}, {}, never, never, true, never>;
}
export declare class MatTimepickerToggle<T> implements OnChanges, OnDestroy {
    _intl: MatTimepickerIntl;
    private _cdr;
    /** Timepicker instance. */
    timepicker: MatTimepicker<T>;
    /** Whether the toggle button is disabled. */
    get disabled(): boolean;
    set disabled(value: BooleanInput);
    private _disabled;
    /** Whether ripples on the toggle should be disabled. */
    disableRipple: boolean;
    /** Tabindex for the toggle. */
    tabIndex: number | null;
    /** Custom icon set by the consumer. */
    customIcon: MatTimepickerToggleIcon;
    /** Screen-reader label for the button. */
    ariaLabel: string;
    private _stateChanges;
    constructor(defaultTabIndex: string, _intl: MatTimepickerIntl, _cdr: ChangeDetectorRef);
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    /** Opens timepicker. */
    open(event: Event): void;
    private _watchStateChanges;
    static ɵfac: i0.ɵɵFactoryDeclaration<MatTimepickerToggle<any>, [{ attribute: "tabindex"; }, null, null]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MatTimepickerToggle<any>, "mat-timepicker-toggle", ["matTimepickerToggle"], { "timepicker": { "alias": "for"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "disableRipple": { "alias": "disableRipple"; "required": false; }; "tabIndex": { "alias": "tabIndex"; "required": false; }; "ariaLabel": { "alias": "aria-label"; "required": false; }; }, {}, ["customIcon"], ["[matTimepickerToggleIcon]"], true, never>;
}