[[1]] This is obvious, but the network/internet is unavailable.

  [[2]] Localhost (127.0.0.1) may also be unavailable if the whole
        network stack is offline.

  [[3]] "Remote" repositories referenced using the file:// protocol may
        be available. However, if that file:// url references a
        file-share, as in the case of an NFS or SMB mount, that will
        be unavailable.

         * @throws InsufficientDataException If insufficient data is available
         * @throws InternalException If an internal error occurs
         * @throws InvalidResponseException If the response is invalid
         * @throws NoSuchAlgorithmException If the algorithm is not available
         * @throws XmlParserException If XML parsing fails
         * @throws IOException If an I/O error occurs

	}

	for _, signer := range hmacSigners {
		if string(alg) == signer.Name {
			return signer, nil
		}
	}

	return nil, jwtgo.NewValidationError(fmt.Sprintf("signing method (%s) is unavailable.", string(alg)),
		jwtgo.ValidationErrorUnverifiable)
}

// ParseWithClaims - parse the token string, valid methods.
func ParseWithClaims(tokenStr string, claims *MapClaims, fn func(*MapClaims) ([]byte, error)) error {

        Class<?> optionalClass = Class.forName("java.util.Optional");
        /*
         * We don't *need* to use reflection to access Optional: It's available on all JDKs we
         * support, and Android code won't get this far, anyway, because ProcessHandle is
         * unavailable. But given how much other reflection we're using, we might as well use it
         * here, too, so that we don't need to also suppress an AndroidApiChecker error.

     */
    SmbResource resolve(String name) throws CIFSException;

    /**
     * Get the file index
     *
     * @return server side file index, 0 if unavailable
     * @throws CIFSException if an error occurs accessing the resource
     */
    long fileIndex() throws CIFSException;

    /**
     * Return the attributes of this file. Attributes are represented as a

        }
    }

    @Nested
    @DisplayName("Invalid and null inputs")
    class InvalidInputs {
        @Test
        @DisplayName("getSigningKey throws when unavailable")
        void testGetSigningKeyThrows() {
            DummySSPContext ctx = new DummySSPContext(null, false, null, null, 0, false);
            CIFSException ex = assertThrows(CIFSException.class, ctx::getSigningKey);

             * sake of backward-compat with 2.x (MNG-5000). In general, it is wrong to
             * base URL inheritance on the module directory names as this information is unavailable for POMs in the
             * repository. In other words, modules where artifactId != moduleDirName will see different effective URLs
             * depending on how the model was constructed (from filesystem or from repository).

    IP_CHANGE(4),             // IP address changed
    SHARE_DELETE(5),          // Share deleted
    NODE_UNAVAILABLE(6),      // Cluster node unavailable
    NODE_AVAILABLE(7);        // Cluster node available
    
    private final int value;
    
    WitnessEventType(int value) {
        this.value = value;
    }
    
    public int getValue() { return value; }
}
```

          }
        } else if (platformSystemProperty == CONSCRYPT_PROPERTY) {
          if (Security.getProviders()[0].name != "Conscrypt") {
            if (!Conscrypt.isAvailable()) {
              System.err.println("Warning: Conscrypt not available")
            }

            val provider =
              Conscrypt
                .newProviderBuilder()
                .provideTrustManager(true)

        // Transient errors
        BUSY("Server busy", ErrorCategory.TRANSIENT, true), TRY_AGAIN("Try again later", ErrorCategory.TRANSIENT,
                true), SERVICE_UNAVAILABLE("Service temporarily unavailable", ErrorCategory.TRANSIENT, true),

        // Generic errors
        UNKNOWN_ERROR("Unknown error", ErrorCategory.UNKNOWN, false), INTERNAL_ERROR("Internal error", ErrorCategory.UNKNOWN, false);