import { AfterViewInit } from '@angular/core';
import { AbstractControl, ValidationErrors, Validator } from '@angular/forms';
export declare class CurrencyDirective implements AfterViewInit, Validator {
    private _formControl;
    private _preValue;
    private _digitPattern;
    private _currencyPattern;
    formControl: AbstractControl;
    onFocus(): void;
    onBlur(): void;
    preValue: string;
    constructor();
    ngAfterViewInit(): void;
    handleDecimal(val: string): string;
    formatNumber(val: string): string;
    validate(control: AbstractControl): ValidationErrors | null;
}