import { SmrtCollection } from '@happyvertical/smrt-core';
import { ChatParticipantCollection } from '../collections/ChatParticipantCollection.js';
import { ChatRoom } from '../models/ChatRoom.js';
import { ChatRoomType } from '../types.js';
/**
 * Deterministic, order-independent room id for a 1:1 DM between two profiles
 * within a tenant (S5 #1392, DM race hardening).
 *
 * Concurrent {@link ChatRoomCollection.findOrCreateDM} calls for the same pair
 * compute the SAME id, so the underlying upsert (which conflicts on `id` for new
 * objects) collapses the racing inserts onto one row instead of creating
 * duplicate DM rooms. The id is a deterministic UUIDv5-shaped value derived from
 * the tenant and the sorted profile pair.
 */
export declare function canonicalDmRoomId(tenantId: string, profileId1: string, profileId2: string): string;
export declare class ChatRoomCollection extends SmrtCollection<ChatRoom> {
    static readonly _itemClass: typeof ChatRoom;
    findByType(roomType: ChatRoomType): Promise<ChatRoom[]>;
    findPublic(): Promise<ChatRoom[]>;
    findDMs(): Promise<ChatRoom[]>;
    findAgentRooms(): Promise<ChatRoom[]>;
    /**
     * Search rooms by name/description/topic.
     *
     * Filtering and limiting are pushed into SQL via `LIKE` instead of loading
     * the entire tenant room set and filtering in JS (S5 #1392, DoS hardening).
     * The WHERE API does not support OR, so we issue one bounded query per
     * searchable column and merge the results, capping the total returned.
     */
    search(query: string, options?: {
        limit?: number;
    }): Promise<ChatRoom[]>;
    /**
     * Find an existing 1:1 DM room between two profiles, or create one.
     *
     * DM identity is derived from the authoritative `chat_participants` join
     * (server-controlled) rather than client-mutable room metadata (S5 #1392).
     * Callers are responsible for attaching both profiles as participants after
     * creation; {@link ChatService.getOrCreateDM} does this.
     */
    findOrCreateDM(profileId1: string, profileId2: string, tenantId: string, participants: ChatParticipantCollection): Promise<ChatRoom>;
}
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