import { RoomPlugin } from '../RoomPlugin.js';
import { Room } from '../../skychat/Room.js';
import { Connection } from '../../skychat/Connection.js';
import { Message } from '../../skychat/Message.js';
export type MessageLimit = {
    maxSuccessiveChars: number | null;
};
export declare class MessageLimiterPlugin extends RoomPlugin {
    static readonly commandName = "messagelimiter";
    static readonly errorMessage = "Message limit exceeded (character limit)";
    readonly opOnly = true;
    readonly rules: {
        messagelimiter: {
            minCount: number;
            maxCount: number;
            params: {
                name: string;
                pattern: RegExp;
            }[];
        };
    };
    protected storage: MessageLimit;
    constructor(room: Room);
    getRoomSummary(): null | number;
    run(_alias: string, param: string, connection: Connection): Promise<void>;
    allowMessageEdit(message: Message, newContent: string): boolean;
    allowNewMessage(message: Message): boolean;
    onBeforeMessageBroadcastHook(message: Message): Promise<Message>;
}