import type { TransportClient } from "../transport/types.js";
export type SendResult = {
    ok: true;
    platformMsgId: string;
    method: "card" | "text" | "file";
    deliveredContent: string;
} | {
    ok: false;
    error: string;
    methodsTried: string[];
    uncertain?: boolean;
};
type ResponseSenderOptions = {
    timeoutMs?: number;
    tempDir?: string;
};
type SendFinalResponseOptions = {
    chatId: string;
    header: string;
    content: string;
    footer?: string;
    replyToMsgId?: string;
    replyInThread?: boolean;
    /** false 时禁止 create，只处理 reply；必须有 replyToMsgId。 */
    allowChatFallback?: boolean;
    signal?: AbortSignal;
    /** 跳过卡片，直接走文本。 */
    preferText?: boolean;
    /** 卡片发送失败后的文本降级内容（默认 = content）；可传函数按卡片失败原因动态构建（如「发送失败：<原因>」提示） */
    textFallback?: string | ((error: unknown) => string);
};
export declare class ResponseSender {
    private readonly transport;
    private readonly timeoutMs;
    private readonly tempDir;
    constructor(transport: TransportClient, options?: ResponseSenderOptions);
    sendText(chatId: string, text: string, signal?: AbortSignal): Promise<string>;
    sendReply(chatId: string, text: string, replyToMsgId: string, signal?: AbortSignal, replyInThread?: boolean): Promise<string>;
    sendCard(chatId: string, header: string, content: string, footer?: string, replyToMsgId?: string, signal?: AbortSignal, replyInThread?: boolean): Promise<string>;
    sendFile(chatId: string, filePath: string, fileName?: string, signal?: AbortSignal, replyToMsgId?: string, replyInThread?: boolean): Promise<string>;
    addReaction(chatId: string, msgId: string, emoji: string, signal?: AbortSignal): Promise<void>;
    removeReaction(chatId: string, msgId: string, emoji: string, signal?: AbortSignal): Promise<void>;
    sendFinalResponse(options: SendFinalResponseOptions): Promise<SendResult>;
    private sendResponseFile;
    private sendWithTelemetry;
    private runDelivery;
}
export {};