import { OnChanges, SimpleChanges } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { KitClassService } from '../kit-class/kit-class.service';
export declare const KIT_CHECK_VALUE_ACCESSOR: any;
/**
 * Adds to any element ValueAccessor and checkbox/radio behavior.
 *
 * When is checked - adds class "checked" to the element.
 *
 * For a value changing the directive listen click event. Directive implements `ControlValueAccessor` interface and
 * changes `ngModel` value on click event.
 *
 *
 * ### Usage
 *
 * #### Emit checkboxes behavior:
 *
 * ```html
 * <button kitCheck [(ngModel)]="buttonModel1">Checkbox button 1</button>
 * <button kitCheck [(ngModel)]="buttonModel2">Checkbox button 2</button>
 * <button kitCheck [(ngModel)]="buttonModel3">Checkbox button 3</button>
 * ```
 *
 * #### Emit radio behavior
 *
 * ```html
 * <button kitCheck [(ngModel)]="buttonModel" [value]="1">Radio button 1</button>
 * <button kitCheck [(ngModel)]="buttonModel" [value]="2">Radio button 2</button>
 * <button kitCheck [(ngModel)]="buttonModel" [value]="3">Radio button 3</button>
 * ```
 *
 *
 * ### Example
 *
 * * collection:button - [sources](https://github.com/ngx-kit/ngx-kit/tree/master/packages/collection/lib/ui-button),
 * [demo](http://ngx-kit.com/collection/module/ui-button)
 */
export declare class KitCheckDirective implements OnChanges, ControlValueAccessor {
    private kitClass;
    /**
     * Class applied when active.
     */
    checkedClass: string;
    /**
     * @internal
     */
    kitCheck: void;
    /**
     * Value that passed to VALUE_ACCESSOR.
     *
     * Enables radio-behavior.
     */
    value: any;
    private changes;
    private checked;
    private disabled;
    private touches;
    constructor(kitClass: KitClassService);
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * Listen to mouse clicks on element.
     *
     * @internal
     */
    clickListener(): void;
    /**
     * @internal
     */
    registerOnChange(fn: any): void;
    /**
     * @internal
     */
    registerOnTouched(fn: any): void;
    /**
     * @internal
     */
    setDisabledState(isDisabled: boolean): void;
    /**
     * @internal
     */
    writeValue(value: any): void;
    private applyClass;
}