import { ElementRef, OnChanges, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare class DigitOnlyDirective implements OnChanges {
    el: ElementRef;
    private hasDecimalPoint;
    private hasNegativeSign;
    private navigationKeys;
    decimal: boolean;
    decimalSeparator: string;
    allowNegatives: boolean;
    allowPaste: boolean;
    negativeSign: string;
    min: number;
    max: number;
    pattern?: string | RegExp;
    private regex;
    inputElement: HTMLInputElement;
    constructor(el: ElementRef);
    ngOnChanges(changes: SimpleChanges): void;
    onBeforeInput(e: InputEvent): any;
    onKeyDown(e: KeyboardEvent): any;
    onPaste(event: any): void;
    onDrop(event: DragEvent): void;
    private pasteData;
    private insertAtCursor;
    private triggerEvent;
    private sanitizeInput;
    private getNegativeSignRegExp;
    private isValidDecimal;
    private getSelection;
    private forecastValue;
    static ɵfac: i0.ɵɵFactoryDeclaration<DigitOnlyDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DigitOnlyDirective, "[digitOnly]", never, { "decimal": "decimal"; "decimalSeparator": "decimalSeparator"; "allowNegatives": "allowNegatives"; "allowPaste": "allowPaste"; "negativeSign": "negativeSign"; "min": "min"; "max": "max"; "pattern": "pattern"; }, {}, never>;
}