import type { Room } from "@colyseus/core";
/**
 * Sort options for room queries.
 */
export interface SortOptions {
    [fieldName: string]: 1 | -1 | 'asc' | 'desc' | 'ascending' | 'descending';
}
/**
 * Built-in room cache fields that can be used for sorting.
 */
export type IRoomCacheSortByKeys = 'clients' | 'maxClients' | 'createdAt';
/**
 * Built-in room cache fields that can be used for filtering.
 */
export type IRoomCacheFilterByKeys = 'clients' | 'maxClients' | 'processId';
/**
 * Extract metadata type from Room type
 */
export type ExtractRoomCacheMetadata<RoomType extends Room> = RoomType['~metadata'];
/**
 * Generates a unique lock ID based on filter options.
 */
export declare function getLockId(filterOptions: any): string;
/**
 * Initialize a room cache which contains CRUD operations for room listings.
 *
 * @internal
 * @param initialValues - Predefined room properties.
 * @returns RoomData - New room cache.
 */
export declare function initializeRoomCache(initialValues?: Partial<IRoomCache>): IRoomCache;
export interface IRoomCache<Metadata = any> {
    /**
     * Room name.
     */
    name: string;
    /**
     * Unique identifier for the room.
     */
    roomId: string;
    /**
     * Process id where the room is running.
     */
    processId: string;
    /**
     * Number of clients connected to this room.
     */
    clients: number;
    /**
     * Maximum number of clients allowed to join the room.
     */
    maxClients: number;
    /**
     * Indicates if the room is locked (i.e. join requests are rejected).
     */
    locked?: boolean;
    /**
     * Indicates if the room is private
     * Private rooms can't be joined via `join()` or `joinOrCreate()`.
     */
    private?: boolean;
    /**
     * Public address of the server.
     */
    publicAddress?: string;
    /**
     * Do not show this room in lobby listing.
     */
    unlisted?: boolean;
    /**
     * Metadata associated with the room.
     */
    metadata?: Metadata;
    /**
     * When the room was created.
     */
    createdAt?: Date;
}
export interface MatchMakerDriver {
    /**
     * Check if a room exists in room cache.
     *
     * @param roomId - The room id.
     *
     * @returns Promise<boolean> | boolean - A promise or a boolean value indicating if the room exists.
     */
    has(roomId: string): Promise<boolean> | boolean;
    /**
     * Query rooms in room cache for given conditions.
     *
     * @param conditions - Filtering conditions.
     *
     * @returns Promise<IRoomCache[]> | IRoomCache[] - A promise or an object contaning room metadata list.
     */
    query<T extends Room = any>(conditions: Partial<IRoomCache & ExtractRoomCacheMetadata<T>>, sortOptions?: SortOptions): Promise<Array<IRoomCache<ExtractRoomCacheMetadata<T>>>> | Array<IRoomCache<ExtractRoomCacheMetadata<T>>>;
    /**
     * Clean up rooms in room cache by process id.
     * @param processId - The process id.
     */
    cleanup?(processId: string): Promise<void>;
    /**
     * Query for a room in room cache for given conditions.
     *
     * @param conditions - Filtering conditions.
     *
     * @returns `IRoomCache` - An object contaning filtered room metadata.
     */
    findOne<T extends Room = any>(conditions: Partial<IRoomCache & ExtractRoomCacheMetadata<T>>, sortOptions?: SortOptions): Promise<IRoomCache<ExtractRoomCacheMetadata<T>>>;
    /**
     * Remove a room from room cache.
     *
     * @param roomId - The room id.
     */
    remove(roomId: string): Promise<boolean> | boolean;
    /**
     * Update a room in room cache.
     *
     * @param IRoomCache - The room to update.
     * @param operations - The operations to update the room.
     */
    update(room: IRoomCache, operations: Partial<{
        $set: Partial<IRoomCache>;
        $inc: Partial<IRoomCache>;
    }>): Promise<boolean> | boolean;
    /**
     * Persist a room in room cache.
     *
     * @param room - The room to persist.
     * @param create - If true, create a new record. If false (default), update existing record.
     */
    persist(room: IRoomCache, create?: boolean): Promise<boolean> | boolean;
    /**
     * Empty the room cache. Used for testing purposes only.
     * @internal Do not call this method yourself.
     */
    clear(): void;
    /**
     * Boot the room cache medium (if available).
     */
    boot?(): Promise<void>;
    /**
     * Dispose the connection of the room cache medium.
     */
    shutdown(): void;
}