/**
 * allows to specify an user interaction during runtime
 */
export declare type questionType = 'input' | 'confirm' | 'list' | 'rawlist' | 'expand' | 'checkbox' | 'password' | 'editor';
export interface IChoiceObject {
    name: string;
    value: any;
}
export interface IValidateFunction {
    (any: any): boolean;
}
export declare class Interaction {
    constructor();
    askQuestion(optionsArg: {
        type: questionType;
        message: string;
        default: any;
        choices: string[] | IChoiceObject[];
        validate: IValidateFunction;
    }): void;
    askQuestionArray: any;
}
export declare class QuestionTree {
    constructor(questionString: string, optionsArray: any);
}
export declare class QuestionTreeNode {
    constructor();
}
export declare class QuestionStorage {
    constructor();
}