export interface QuestionOption {
    label: string;
    description: string;
}
export interface QuestionInfo {
    question: string;
    header: string;
    options: QuestionOption[];
    multiple?: boolean;
    custom?: boolean;
}
export interface QuestionRequest {
    id: string;
    sessionID: string;
    questions: QuestionInfo[];
    tool?: {
        messageID: string;
        callID: string;
    };
}
export interface PendingQuestion {
    request: QuestionRequest;
    conversationKey: string;
    chatId: string;
    feishuCardMessageId?: string;
    draftAnswers: string[][];
    draftCustomAnswers: string[];
    pendingCustomQuestionIndex?: number;
    currentQuestionIndex: number;
    optionPageIndexes: number[];
    createdAt: number;
}
declare class QuestionHandler {
    private pending;
    private sessionIndex;
    register(request: QuestionRequest, conversationKey: string, chatId: string): void;
    setCardMessageId(requestId: string, messageId: string): void;
    get(requestId: string): PendingQuestion | undefined;
    getBySession(sessionId: string): PendingQuestion | undefined;
    getByCardMessageId(messageId: string): PendingQuestion | undefined;
    getByConversationKey(conversationKey: string): PendingQuestion | undefined;
    setDraftAnswer(requestId: string, questionIndex: number, answers: string[]): void;
    setPendingCustomQuestion(requestId: string, questionIndex: number | undefined): void;
    getPendingCustomQuestionIndex(requestId: string): number | undefined;
    getDraftAnswers(requestId: string): string[][] | null;
    setDraftCustomAnswer(requestId: string, questionIndex: number, answer: string): void;
    getDraftCustomAnswers(requestId: string): string[] | null;
    setCurrentQuestionIndex(requestId: string, index: number): void;
    getCurrentQuestionIndex(requestId: string): number | null;
    setOptionPageIndex(requestId: string, questionIndex: number, pageIndex: number): void;
    getOptionPageIndex(requestId: string, questionIndex: number): number | null;
    remove(requestId: string): PendingQuestion | undefined;
    has(requestId: string): boolean;
    hasForSession(sessionId: string): boolean;
    getAll(): PendingQuestion[];
    cleanupExpired(timeoutMs: number): PendingQuestion[];
    get size(): number;
}
export declare const questionHandler: QuestionHandler;
export {};
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