public static String getDefaultMtlsEndpoint() {
    return "telcoautomation.mtls.googleapis.com:443";
  }
Returns the default mTLS service endpoint.
java-telcoautomation/google-cloud-telcoautomation/src/main/java/com/google/cloud/telcoautomation/v1alpha1/stub/TelcoAutomationStubSettings.java