import { SmrtObject } from '@happyvertical/smrt-core';
import { ChatThreadOptions } from '../types.js';
/**
 * Conversation thread. Internal model — threads must be created/mutated only
 * through the membership-checked {@link ChatService} (S5 #1392). The generated
 * CRUD surface is read-only (`get`/`list`); `create`/`update`/`delete` are NOT
 * generated, otherwise a caller could POST a thread rooted in an arbitrary room
 * (or mutate `messageCount`/`isResolved`) via the raw collection routes,
 * bypassing the room-membership authorization in {@link ChatService.startThread}.
 */
export declare class ChatThread extends SmrtObject {
    tenantId: string;
    roomId: string;
    rootMessageId: string | null;
    title: string;
    isResolved: boolean;
    messageCount: number;
    lastMessageAt: Date | null;
    participantCount: number;
    constructor(options?: ChatThreadOptions);
    resolve(): Promise<void>;
    reopen(): Promise<void>;
}
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