import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class PrecisionDirective {
    private el;
    precision: number;
    type: string;
    precisionType: string;
    allowedKeys: Set<string>;
    constructor(el: ElementRef);
    onPaste(event: ClipboardEvent): boolean;
    onKeyDown(event: KeyboardEvent): boolean;
    optionalKeys(event: KeyboardEvent): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<PrecisionDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<PrecisionDirective, "[PrecisionDirective]", never, { "precision": { "alias": "precision"; "required": false; }; "type": { "alias": "type"; "required": false; }; "precisionType": { "alias": "precisionType"; "required": false; }; }, {}, never, never, false, never>;
}