public static <T extends @Nullable Object> T[] concat(
      T[] first, T[] second, Class<@NonNull T> type) {
    T[] result = newArray(type, first.length + second.length);
    arraycopy(first, 0, result, 0, first.length);
    arraycopy(second, 0, result, first.length, second.length);
    return result;
  }

  /**
   * Returns a new array that prepends {@code element} to {@code array}.
   *

      return -1;
    }
    int result = current.read(cbuf, off, len);
    if (result == -1) {
      advance();
      return read(cbuf, off, len);
    }
    return result;
  }

  @Override
  public long skip(long n) throws IOException {
    Preconditions.checkArgument(n >= 0, "n is negative");
    if (n > 0) {
      while (current != null) {
        long result = current.skip(n);
        if (result > 0) {

        Map<String, CtClass> result = [:]
        collect(result, c)
        return result
    }

    private void collect(Map<String, CtClass> result, CtClass c) {
        c.interfaces.each { result.put(it.name, it) }

        if (c.superclass != null) {
            collect(result, c.superclass)
        }
    }

		// make result array.
		var result []any
		for _, a := range arr {
			rval, flatten, err := jsonpathEval(p[1:], a)
			if err != nil {
				return nil, false, err
			}

			if flatten {
				// Flatten if array.
				if arr, ok := rval.([]any); ok {
					result = append(result, arr...)
					continue
				}
			}
			result = append(result, rval)
		}
		return result, true, nil

		maxParts = maxPartsList
	}

	// Populate the result stub.
	result.Bucket = bucket
	result.Object = object
	result.UploadID = uploadID
	result.MaxParts = maxParts
	result.PartNumberMarker = partNumberMarker
	result.UserDefined = cloneMSS(fi.Metadata)
	result.ChecksumAlgorithm = fi.Metadata[hash.MinIOMultipartChecksum]
	result.ChecksumType = fi.Metadata[hash.MinIOMultipartChecksumType]

        queue.setDepth(2);

        String result = queue.toString();
        assertNotNull(result);
        assertTrue(result.contains("UrlQueueImpl"));
        assertTrue(result.contains("123"));
        assertTrue(result.contains("session456"));
        assertTrue(result.contains("GET"));
        assertTrue(result.contains("https://example.com"));
        assertTrue(result.contains("UTF-8"));
    }

    }

    @Override
    protected <RESULT extends FailureUrl> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setConfigId(DfTypeUtil.toString(source.get("configId")));
            result.setErrorCount(DfTypeUtil.toInteger(source.get("errorCount")));

    }

    @Override
    protected <RESULT extends RequestHeader> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setName(DfTypeUtil.toString(source.get("name")));

	}

	for i, testCase := range testCases {
		result := testCase.tid.String()

		if result != testCase.expectedResult {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.expectedResult, result)
		}
	}
}

func TestTargetDToARN(t *testing.T) {
	tid := TargetID{"1", "webhook"}
	testCases := []struct {

	}

	for i, testCase := range testCases {
		result := testCase.tid.String()

		if result != testCase.expectedResult {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.expectedResult, result)
		}
	}
}

func TestTargetDToARN(t *testing.T) {
	tid := TargetID{"1", "webhook"}
	testCases := []struct {