How to use the @expo/config.createEnvironmentConstants function in @expo/config

constructor({
    mode,
    publicUrl,
    productionManifestPath,
    config,
  }: {
    mode: Mode;
    publicUrl: string;
    productionManifestPath: string;
    config: ExpoConfig;
  }) {
    const publicAppManifest = createEnvironmentConstants(config, productionManifestPath);

    const environmentVariables = createClientEnvironment(mode, publicUrl, publicAppManifest);

    super(environmentVariables);
  }
}