import { EventEmitter } from 'node:events';
import { BaseAction, DisconnectReason, ServerRequest, ServerResponse, ClientRequest, ClientResponse } from '@script-bridge/protocol';
import { Session } from './session';
import { ActionHandler } from './types';
interface ServerOptions {
    port: number;
    /** The interval ticks clients should wait before sending a query. Defaults to `8` */
    requestIntervalTicks?: number;
    /**
     * A multiplier indicating how many times the `requestIntervalTicks`
     * can be exceeded before considering the request as failed.
     * Defaults to `20`.
     * Set `Infinity` to disable auto disconnection.
     */
    timeoutThresholdMultiplier?: number;
}
export declare class ScriptBridgeServer extends EventEmitter<ServerEvents> {
    static readonly PROTOCOL_VERSION = 2;
    readonly sessions: Map<string, Session>;
    readonly port: number;
    readonly requestIntervalTicks: number;
    readonly timeoutThresholdMultiplier: number;
    private readonly actionHandlers;
    private readonly app;
    private server;
    constructor(options: ServerOptions);
    start(): Promise<void>;
    stop(): Promise<void>;
    broadcast<A extends BaseAction = BaseAction>(channelId: A['id'], data?: A['request'], timeout?: number): Promise<ClientResponse<A['response']>[]>;
    registerHandler<A extends BaseAction = BaseAction>(channelId: A['id'], handler: ActionHandler<A>): void;
    private handleRequest;
    private handleResponse;
}
interface ServerEvents {
    serverOpen: [];
    serverClose: [];
    clientConnect: [session: Session];
    clientDisconnect: [session: Session, reason: DisconnectReason];
    sessionCreate: [session: Session];
    sessionDestroy: [session: Session];
    queryReceive: [session: Session];
    requestSend: [request: ServerRequest, session: Session];
    responseSend: [response: ServerResponse, session: Session];
    requestReceive: [request: ClientRequest, session: Session];
    responseReceive: [response: ClientResponse, session: Session];
    error: [error: Error];
}
export {};