/**
 * 卡片流式更新模块
 * 实现节流的卡片内容更新，用于流式响应
 */
import type { FeishuClient } from './client';
import { type OrderedPart } from './formatter';
export interface StreamerConfig {
    throttleMs?: number;
    maxContentLength?: number;
}
export declare class CardStreamer {
    private client;
    private chatId;
    private messageIds;
    private buffer;
    private orderedParts;
    private lastUpdateTimePerMessage;
    private throttleMs;
    private pendingUpdate;
    private isComplete;
    private title?;
    private useV2;
    private isUpdating;
    private hasPendingData;
    constructor(client: FeishuClient, chatId: string, config?: StreamerConfig);
    setTitle(title: string): void;
    start(): Promise<void>;
    append(content: string): Promise<void>;
    setContent(content: string): Promise<void>;
    setOrderedParts(parts: OrderedPart[]): Promise<void>;
    setParts(parts: Array<{
        type: string;
        text?: string;
        name?: string;
        state?: string;
        title?: string;
        input?: Record<string, unknown>;
        output?: string;
        error?: string;
    }>): Promise<void>;
    private scheduleUpdate;
    flush(): Promise<void>;
    private updateCardWithRateLimit;
    private syncCards;
    complete(): Promise<void>;
    sendError(errorMessage: string): Promise<void>;
    getMessageId(): string | null;
    getMessageIds(): string[];
    getContent(): string;
    reset(): void;
}
export declare function createCardStreamer(client: FeishuClient, chatId: string, config?: StreamerConfig): CardStreamer;
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