env GOEXPERIMENT=

! go env
stderr '^go(\.exe)?: unknown GOEXPERIMENT badexp$'

go env -u GOEXPERIMENT

! go env
stderr '^go: unsupported GOOS/GOARCH pair bados/badarch$'

! go env -u GOOS
stderr '^go: unsupported GOOS/GOARCH pair \w+/badarch$'

! go env -u GOARCH
stderr '^go: unsupported GOOS/GOARCH pair bados/\w+$'

go env -u GOOS GOARCH

go env

-- badenv --
GOOS=bados
GOARCH=badarch

          return absl::OkStatus();
        default:
          return tensorflow::errors::InvalidArgument(
              "Unsupported Complex bits: ", dtype.bits);
      }
      break;
    default:
      return tensorflow::errors::InvalidArgument("Unsupported Type Codes: ",
                                                 dtype.code);
  }
}

// Wraps the deleter function of DLManagedTensor to match the function signature

        throw unsupported();
    }

    @Override
    public void runTests(TestExecutionRequest testExecutionRequest, ConsumerOperationParameters operationParameters) {
        throw unsupported();
    }

    @Override
    public void notifyDaemonsAboutChangedPaths(List<String> changedPaths, ConsumerOperationParameters operationParameters) {
        throw unsupported();
    }

    @Override

   * dependency on those interfaces.
   */
  private class AlpnProvider(
    /** This peer's supported protocols. */
    private val protocols: List<String>,
  ) : InvocationHandler {
    /** Set when remote peer notifies ALPN is unsupported. */
    var unsupported: Boolean = false

    /** The protocol the server selected. */
    var selected: String? = null

    @Throws(Throwable::class)

package util

// FindMultipathDeviceForDevice unsupported returns ""
func (handler *deviceHandler) FindMultipathDeviceForDevice(device string) string {
	return ""
}

// FindSlaveDevicesOnMultipath unsupported returns ""
func (handler *deviceHandler) FindSlaveDevicesOnMultipath(disk string) []string {
	out := []string{}
	return out
}

// GetISCSIPortalHostMapForTarget unsupported returns nil

            withProblemsWithStackTraceCount(1)
        }

        and:
        verifyAll(receivedProblem(0)) {
            fqid == REGISTRATION_UNSUPPORTED
            contextualLabel == "registration of listener on 'Gradle.buildFinished' is unsupported"
            definition.severity == Severity.WARNING

> Invocation of 'Task.project' by task ':someTaskType' at execution time is unsupported.

// an unsupported private key.
func unsupportedCertificateError(cert *Certificate) error {
	switch cert.PrivateKey.(type) {
	case rsa.PrivateKey, ecdsa.PrivateKey:
		return fmt.Errorf("tls: unsupported certificate: private key is %T, expected *%T",
			cert.PrivateKey, cert.PrivateKey)
	case *ed25519.PrivateKey:

                problem
                    .forProperty(propertyName)
                    .id("nested-type-unsupported", "Nested type unsupported", GradleCoreProblemGroup.validation().property())
                    .contextualLabel("with nested type '" + beanType.getName() + "' is not supported")
                    .documentedAt(userManual("validation_problems", "unsupported_nested_type"))
                    .severity(WARNING)

        private final Requestedness requestedness;
        private final String unsupported;
        private final Attributes attributes;

        public Config(Requestedness requestedness, Attributes attributes, String unsupported) {
            this.requestedness = requestedness;
            this.unsupported = unsupported;
            this.attributes = attributes;
        }

        @Override