import { ElementRef, EventEmitter } from '@angular/core';
import * as i0 from "@angular/core";
export interface Point {
    x: number;
    y: number;
    time: number;
}
export declare type PointGroup = Array<Point>;
export declare class SignaturePad {
    options: Object;
    onBeginEvent: EventEmitter<boolean>;
    onEndEvent: EventEmitter<boolean>;
    private signaturePad;
    private elementRef;
    constructor(elementRef: ElementRef);
    ngAfterContentInit(): void;
    resizeCanvas(): void;
    toData(): Array<PointGroup>;
    fromData(points: Array<PointGroup>): void;
    toDataURL(imageType?: string, quality?: number): string;
    fromDataURL(dataURL: string, options?: Object): void;
    clear(): void;
    isEmpty(): boolean;
    off(): void;
    on(): void;
    set(option: string, value: any): void;
    onBegin(): void;
    onEnd(): void;
    queryPad(): any;
    static ɵfac: i0.ɵɵFactoryDef<SignaturePad, never>;
    static ɵcmp: i0.ɵɵComponentDefWithMeta<SignaturePad, "signature-pad", never, { "options": "options"; }, { "onBeginEvent": "onBeginEvent"; "onEndEvent": "onEndEvent"; }, never, never>;
}