import { ElementRef } from '@angular/core';
import { NgControl } from '@angular/forms';
import { SdsFormControlDirective } from '../../utils/form-control.directive';
import * as i0 from "@angular/core";
export declare class SdsCheckboxControlDirective extends SdsFormControlDirective {
    private elementRef;
    classFormControl: boolean;
    ariaChecked: true | false | 'mixed';
    type: string;
    set checked(val: boolean);
    set indeterminate(val: boolean);
    private _checked;
    constructor(elementRef: ElementRef<HTMLInputElement>, ngControl: NgControl, isDisabled: unknown, isRequired: unknown);
    onChange(isChecked: boolean): void;
    private setAriaChecked;
    private setChecked;
    static ɵfac: i0.ɵɵFactoryDeclaration<SdsCheckboxControlDirective, [null, { optional: true; host: true; }, { attribute: "disabled"; }, { attribute: "required"; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SdsCheckboxControlDirective, "[sdsCheckboxControl]", never, { "checked": { "alias": "checked"; "required": false; }; "indeterminate": { "alias": "indeterminate"; "required": false; }; }, {}, never, never, false, never>;
}