* **Convert data**: from the request to the required type.
* **Validate data**: coming from each request:
    * Generating **automatic errors** returned to the client when the data is invalid.
* **Document** the API using OpenAPI:
    * which is then used by the automatic interactive documentation user interfaces.

	if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
		t.Fatalf("Failed to read xl meta data %v", reducedErr)
	}

	// Test 1: Test that all disks are returned without any failures with
	// unmodified meta data
	partsMetadata, errs := readAllFileInfo(ctx, erasureDisks, "", bucket, object, "", false, true)
	if err != nil {
		t.Fatalf("Failed to read xl meta data %v", err)
	}

            configureResolver(request.getModelResolver(), modelv4, problems, false);

            // we pass a cloned model, so that resolving the parent version does not affect the returned model
            ModelData parentData = readParent(new Model(modelv4), currentData.getSource(), request, problems);

            if (parentData == null) {
                currentData = superData;

 * thrown away immediately once repository system was created and there is no need for more instances. If new
 * repository system instance needed, new instance of this class must be created. For proper shut down of returned
 * repository system instance(s) use {@link RepositorySystem#shutdown()} method on supplied instance(s).
 * <p>

      return connection.client == streamIsClient
    }

  /**
   * Removes and returns the stream's received response headers, blocking if necessary until headers
   * have been received. If the returned list contains multiple blocks of headers the blocks will be
   * delimited by 'null'.
   *
   * @param callerIsIdle true if the caller isn't sending any more bytes until the peer responds.

// ScanRange represents the ScanRange parameter.
type ScanRange struct {
	// Start is the byte offset to read from (from the start of the file).
	Start *uint64 `xml:"Start"`
	// End is the offset of the last byte that should be returned when Start
	// is set, otherwise it is the offset from EOF to start reading.
	End *uint64 `xml:"End"`
}

// Validate if the scan range is valid.
func (s *ScanRange) Validate() error {
	if s == nil {

   * incorrect values. This is useful for testing methods that must treat the return value from
   * size() as a hint only.
   *
   * @param delta the difference between the true size of the collection and the values returned by
   *     the size method
   */
  public static <T extends @Nullable Object> Collection<T> misleadingSizeCollection(int delta) {
    // It would be nice to be able to return a real concurrent

                e);
          }
          /*
           * TODO(cpovirk): Check that the values match one of candidates that
           * MutatedOnQuery*.delegate() actually returned during this test?
           */
          assertWithMessage(
                  "byAscendingSize %s, startIndex %s, inputIsSet %s",
                  byAscendingSize, startIndex, inputIsSet)

			expectedErrCode:       ErrInvalidQueryParams,
		},
		// Test case - 2.
		// Test case with invalid  "X-Amz-Algorithm" query value.
		// The other query params should exist, other wise ErrInvalidQueryParams will be returned because of missing fields.
		{
			inputQueryKeyVals: []string{
				"X-Amz-Algorithm", "InvalidValue",
				"X-Amz-Credential", "",
				"X-Amz-Signature", "",
				"X-Amz-Date", "",
				"X-Amz-SignedHeaders", "",

				wait()
				return nil
			})
		})
		// Get the modtime of the shaDir.
		vi, err := disk.StatVol(ctx, pathJoin(minioMetaMultipartBucket, shaDir))
		if err != nil {
			return nil
		}
		// Modtime is returned in the Created field. See (*xlStorage).StatVol
		if time.Since(vi.Created) < globalAPIConfig.getStaleUploadsExpiry() {
			return nil
		}
		w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())