import type { GatewayRuntime } from '@graphql-mesh/serve-runtime';
import type { Logger } from '@graphql-mesh/types';
export interface ServerConfig {
    /**
     * Host to listen on.
     *
     * @default '127.0.0.1' on Windows, otherwise '0.0.0.0'
     */
    host?: string;
    /**
     * Port to listen on.
     *
     * @default 4000
     */
    port?: number;
    /**
     * SSL Credentials for the HTTPS Server.
     *
     * If this is provided, Gateway will be over secure HTTPS instead of unsecure HTTP.
     */
    sslCredentials?: ServerConfigSSLCredentials;
    /**
     * The size of the HTTP headers to allow
     *
     * @default 16384
     */
    maxHeaderSize?: number;
    /**
     * Whether to disable setting up a WebSocket server.
     *
     * @default false
     */
    disableWebsockets?: boolean;
}
export interface ServerConfigSSLCredentials {
    key_file_name?: string;
    cert_file_name?: string;
    ca_file_name?: string;
    passphrase?: string;
    dh_params_file_name?: string;
    ssl_ciphers?: string;
    ssl_prefer_low_memory_usage?: boolean;
}
export interface ServerForRuntimeOptions extends ServerConfig {
    log: Logger;
}
export declare function startServerForRuntime<TContext extends Record<string, any> = Record<string, any>>(runtime: GatewayRuntime<TContext>, { log, host, port, sslCredentials, maxHeaderSize, disableWebsockets, }: ServerForRuntimeOptions): Promise<AsyncDisposable>;
export declare function getGraphQLWSOptions<TContext>(gwRuntime: GatewayRuntime<TContext>): Parameters<typeof import("graphql-ws/lib/use/ws.js").useServer>[0];