import { Connection } from '../skychat/Connection.js';
import { Message } from '../skychat/Message.js';
import { Plugin } from './Plugin.js';
import { Room } from '../skychat/Room.js';
export declare abstract class RoomPlugin extends Plugin {
    /**
     * Some plugins (i.e. plugin to ban users) are globally available.
     * They have a single storage file, and they are instantiated only once at the root-level instead of once per room.
     * This static attribute need to be set
     */
    static readonly isGlobal: boolean;
    /**
     * If the plugin is attached to a room, contain the reference to the room
     */
    readonly room: Room;
    /**
     * A plugin is attached to a given room
     * @param room
     */
    constructor(room: Room);
    /**
     * Get this plugin's storage path
     * @override
     */
    getStoragePath(): string;
    /**
     * Get a summary of this plugin state to include in the room list
     */
    getRoomSummary(): unknown;
    /**
     * Executed before broadcasting a message to the room
     * @abstract
     * @param message
     * @param _connection
     */
    onBeforeMessageBroadcastHook(message: Message, _connection?: Connection): Promise<Message>;
    /**
     * Executed before a connection joins a room
     * @abstract
     * @param _connection
     * @param _room
     */
    onBeforeConnectionJoinedRoom(_connection: Connection, _room: Room): Promise<void>;
    /**
     * Executed when a connection joins a room
     * @abstract
     * @param _connection
     */
    onConnectionJoinedRoom(_connection: Connection): Promise<void>;
    /**
     * Executed when a connection is closed
     * @abstract
     * @param _connection
     */
    onConnectionLeftRoom(_connection: Connection): Promise<void>;
}
/**
 * Defines default constructor for a room plugin (required for TypeScript)
 */
export interface RoomPluginConstructor {
    new (_room: Room): RoomPlugin;
    commandName: string;
    commandAliases: string[];
    defaultDataStorageValue?: any;
}