import { DragDrop, DragRef } from '@angular/cdk/drag-drop';
import { ElementRef, OnDestroy, OnInit } from '@angular/core';
import { PDFElement, PDFElementHost, PDFElementJSON } from '../../models/Editor';
import { SignatureElementProps } from '../../models/Signature';
import { NgxPdfEditorService } from '../../ngx-pdf-editor.service';
import * as i0 from "@angular/core";
export declare class PDFSignatureElement implements OnInit, OnDestroy, PDFElementHost<PDFSignatureElement> {
    private ngxPdfEditorService;
    private dragDrop;
    element: PDFElement<PDFSignatureElement, SignatureElementProps>;
    left: string;
    top: string;
    signature: ElementRef<HTMLDivElement>;
    dragRef: DragRef;
    isOverlayOpen: boolean;
    constructor(ngxPdfEditorService: NgxPdfEditorService, dragDrop: DragDrop);
    onClick(): void;
    onBlur(event: FocusEvent): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
    private initializeDrag;
    changeSigner(signerValue: string): void;
    getNameFromSignerOrder(signerOrder: string): string | null | undefined;
    export(): PDFElementJSON;
    deleteElement(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<PDFSignatureElement, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PDFSignatureElement, "signature-element", never, {}, {}, never, never, false, never>;
}