import { ConfirmQuestion } from "./question/ConfirmQuestion";
import { DateQuestion } from "./question/DateQuestion";
import { InvisibleQuestion } from "./question/InvisibleQuestion";
import { MultiSelectQuestion } from "./question/MultiSelectQuestion";
import { NumberQuestion } from "./question/NumberQuestion";
import { PasswordQuestion } from "./question/PasswordQuestion";
import { SelectQuestion } from "./question/SelectQuestion";
import { TextQuestion } from "./question/TextQuestion";
import { ToggleQuestion } from "./question/ToggleQuestion";
import { QuestionType } from "./QuestionType";
export declare class QuestionBuilder {
    private _config;
    private _type?;
    type(type: QuestionType): this;
    opts(opts: any): this;
    config(config: any): this;
    title(title: string): this;
    default(defaultValue: any): this;
    var(varName: string): this;
    format(format: (vl: any) => any): this;
    required(isRequired: boolean): this;
    choices(choices: {
        title: string;
        value: string;
    }[]): this;
    masks(mask?: string): this;
    build(): MultiSelectQuestion | SelectQuestion | ConfirmQuestion | DateQuestion | InvisibleQuestion | NumberQuestion | PasswordQuestion | TextQuestion | ToggleQuestion;
}