import { FileEntity, DocumentEntity } from '..';
import { SignatureBaseEntityClass } from './base.entity';
export declare class SignatureEntity extends SignatureBaseEntityClass {
    /**
     * delete signature when document is deleted
     */
    document: DocumentEntity | null;
    /**
     * set signature.file to null when file is deleted
     */
    file: FileEntity;
    constructor(partial: Partial<SignatureEntity>);
}