/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow strict-local * @format * @oncall react_native */ /** * Determine whether we can run the dev server. * * Return values: * - `not_running`: The port is unoccupied. * - `matched_server_running`: The port is occupied by another instance of this * dev server (matching the passed `projectRoot`). * - `port_taken`: The port is occupied by another process. * - `unknown`: An error was encountered; attempt server creation anyway. */ declare export default function isDevServerRunning( devServerUrl: string, projectRoot: string ): Promise<"not_running" | "matched_server_running" | "port_taken" | "unknown">;