public UnaryCallSettings.Builder<TestIamPermissionsRequest, TestIamPermissionsResponse>
        testIamPermissionsSettings() {
      return getStubSettingsBuilder().testIamPermissionsSettings();
    }
Returns the builder for the settings used for calls to testIamPermissions.
java-workstations/google-cloud-workstations/src/main/java/com/google/cloud/workstations/v1beta/WorkstationsSettings.java