import type { Message, Part } from '@opencode-ai/sdk';
export type DelayedResponseCallback = (result: {
    info: Message;
    parts: Part[];
}) => Promise<void>;
export interface PendingRequest {
    conversationKey: string;
    chatId: string;
    sessionId: string;
    messageId: string;
    feishuMessageId: string;
    createdAt: number;
    lastReminderAt?: number;
    callback: DelayedResponseCallback;
}
declare class DelayedResponseHandler {
    private pending;
    register(request: PendingRequest): void;
    get(messageId: string): PendingRequest | undefined;
    remove(messageId: string): PendingRequest | undefined;
    handleResponse(messageId: string, result: {
        info: Message;
        parts: Part[];
    }): Promise<boolean>;
    cleanupExpired(timeoutMs: number): PendingRequest[];
    getAll(): PendingRequest[];
    get size(): number;
    has(messageId: string): boolean;
    getBySession(sessionId: string): PendingRequest[];
}
export declare const delayedResponseHandler: DelayedResponseHandler;
export {};
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