case UNSPECIFIED:
                result.append("Unspecified error");
                break;
            default:
                result.append("Unknown error code: ").append(errorCode);
            }
            break;
        default:
            result.append("unknown error class: ").append(errorClass);
        }
        return result.toString();
    }

    /**

		case "P-224":
			curve = elliptic.P224()
		case "P-256":
			curve = elliptic.P256()
		case "P-384":
			curve = elliptic.P384()
		case "P-521":
			curve = elliptic.P521()
		default:
			return nil, fmt.Errorf("Unknown curve type: %s", key.Crv)
		}

		xbuf, err := base64.RawURLEncoding.DecodeString(key.X)
		if err != nil {
			return nil, errMalformedJWKECKey
		}

		ybuf, err := base64.RawURLEncoding.DecodeString(key.Y)

    }

    /**
     * Gets available resources
     *
     * @return available resources or -1 if unknown
     */
    public long getAvailableResources() {
        return availableResources;
    }

    /**
     * Gets requested resources
     *
     * @return requested resources or -1 if unknown
     */
    public long getRequestedResources() {
        return requestedResources;
    }

     * @param message The detail message of the problem, may be {@code null}.
     * @param line The one-based index of the line containing the problem or {@code -1} if unknown.
     * @param column The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param cause The cause of the problem, may be {@code null}.
     */
    void add(Problem.Severity severity, String message, int line, int column, Exception cause);

    }

    /**
     * Tests the readDataWireFormat method with an unknown information level.
     */
    @Test
    void testReadDataWireFormat_UnknownInformationLevel() {
        Trans2QueryFSInformationResponse response = new Trans2QueryFSInformationResponse(999); // Unknown level
        byte[] buffer = new byte[10];
        int bytesRead = response.readDataWireFormat(buffer, 0, buffer.length);

        assertEquals(ArtifactType.CRAWLER, crawlerArtifact.getType());

        Artifact unknownArtifact = new Artifact("unknown-test", "1.0.0");
        assertEquals(ArtifactType.UNKNOWN, unknownArtifact.getType());
    }

    @Test
    public void test_ArtifactType_getId() {
        assertEquals("fess-ds", ArtifactType.DATA_STORE.getId());

		message = string(data)
	}

	return fmt.Sprintf("duplicate queue configuration %v", message)
}

// ErrUnknownRegion - unknown region error.
type ErrUnknownRegion struct {
	Region string
}

func (err ErrUnknownRegion) Error() string {
	return fmt.Sprintf("unknown region '%v'", err.Region)
}

// ErrARNNotFound - ARN not found error.
type ErrARNNotFound struct {
	ARN ARN
}

     */
    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**

        }

        @ParameterizedTest
        @DisplayName("Should handle various default values")
        @ValueSource(strings = { "text/unknown", "application/x-unknown", "custom/type", "" })
        void testVariousDefaultValues(String defaultValue) throws IOException {
            assertEquals(defaultValue, mimeMap.getMimeType("notinmap", defaultValue));
        }
    }

					Valid: true,
				}
			default:
				// Condition should be valid.
				return parsedPolicy, fmt.Errorf("Unknown type %s of conditional field value %s found in POST policy form",
					reflect.TypeOf(condt).String(), condt)
			}
		default:
			return parsedPolicy, fmt.Errorf("Unknown field %s of type %s found in POST policy form",
				condt, reflect.TypeOf(condt).String())
		}
	}
	return parsedPolicy, nil
}