import { FxError, IQTreeNode, InputResult, Inputs, MultiSelectQuestion, OptionItem, Question, Result, SingleSelectQuestion, StaticOptions, TelemetryReporter, UserInteraction } from "@microsoft/teamsfx-api";
export declare function getSingleOption(q: SingleSelectQuestion | MultiSelectQuestion, option?: StaticOptions): string | OptionItem | [string | OptionItem];
export declare function loadOptions(question: SingleSelectQuestion | MultiSelectQuestion, inputs: Inputs): Promise<StaticOptions>;
export type QuestionTreeVisitor = (question: Question, ui: UserInteraction, inputs: Inputs, step?: number, totalSteps?: number) => Promise<Result<InputResult<any>, FxError>>;
export declare function singleSelectCallback(question: SingleSelectQuestion, answer: string | OptionItem, inputs: Inputs, options: StaticOptions): Promise<void>;
/**
 * ask question when visiting the question tree
 * @param question
 * @param core
 * @param inputs
 */
export declare const questionVisitor: QuestionTreeVisitor;
export declare function traverse(root: IQTreeNode, inputs: Inputs, ui: UserInteraction, telemetryReporter?: TelemetryReporter, visitor?: QuestionTreeVisitor): Promise<Result<undefined, FxError>>;
export declare function findValue(curr: IQTreeNode, parentMap: Map<IQTreeNode, IQTreeNode>): any;
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