import { BaseFormFieldDirective } from '../abstracts/base-form-field-directive';
import { ElementListenersCollector } from '../../providers/listeners-collector';
export declare class FieldMaskDirective extends BaseFormFieldDirective {
    private listenerCollector;
    private RULES;
    private get mask();
    constructor(listenerCollector: ElementListenersCollector);
    onRender(): void;
    onChange(): void;
    onDestroy(): void;
    private elementIsValid;
    private characterInKeypressIsValid;
    private characterAfterInputIsValid;
    private checkValueOnInitialize;
    private onKeypress;
    private onInput;
    private applyMaskInCharacter;
    private getNextSequencialMaskChars;
    private applyMask;
    private isSpecialCharacter;
}