import { OnInit } from '@angular/core';
import { QuestionBase } from '../../domain/question.base';
import { QuestionComponent } from '../question.component';
import { ScrollService } from '../scroll.service';
export declare class SignatureQuestionComponent extends QuestionComponent implements OnInit {
    private scrollService;
    form: any;
    question: QuestionBase<string>;
    input: any;
    type: string;
    constructor(scrollService: ScrollService);
    ngOnInit(): void;
    readonly isInvalid: any;
    readonly show: boolean;
}