import { ControlValueAccessor } from '@angular/forms';
import { DecimalPipe } from '@angular/common';
import { DoCheck, ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare const NUMBER_DIRECTIVE_PROVIDER: any;
export declare class NumberInputDirective implements ControlValueAccessor, DoCheck {
    private _elementRef;
    private _decimalPipe;
    private _onChange;
    private _onTouched;
    private _originalValue;
    private _decimalSep;
    cFormat: string;
    cAlign: string;
    cAllowNegative: boolean;
    cNegativeColor: string;
    constructor(_elementRef: ElementRef, _decimalPipe: DecimalPipe);
    ngDoCheck(): void;
    registerOnChange(fn: Function): void;
    registerOnTouched(fn: Function): void;
    setDisabledState(value: boolean): void;
    writeValue(value: number): void;
    onFocus(event: any): void;
    onBlur(event: any): void;
    onInput(event: any): void;
    onKeypress(event: any): boolean;
    applyMask(): string;
    clearMask(): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<NumberInputDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NumberInputDirective, "[cNumber]", never, { "cFormat": "cFormat"; "cAlign": "cAlign"; "cAllowNegative": "cAllowNegative"; "cNegativeColor": "cNegativeColor"; }, {}, never>;
}