// will return during reading. It returns -1 for unlimited
// data.
func (r *Reader) Size() int64 { return r.size }

// ActualSize returns the pre-modified size of the object.
// DecompressedSize - For compressed objects.
func (r *Reader) ActualSize() int64 { return r.actualSize }

// ETag returns the ETag computed by an underlying etag.Tagger.
// If the underlying io.Reader does not implement etag.Tagger

* 따라서 이미지, 동영상, 큰 이진코드와 같은 대용량 파일들을 많은 메모리를 소모하지 않고 처리하기에 적합합니다.
* 업로드 된 파일의 메타데이터를 얻을 수 있습니다.
* <a href="https://docs.python.org/3/glossary.html#term-file-like-object" class="external-link" target="_blank">file-like</a>  `async` 인터페이스를 갖고 있습니다.

 * {@link FinalizableReference#finalizeReferent()} on them.
 *
 * <p>Keep a strong reference to this object until all of the associated referents have been
 * finalized. If this object is garbage collected earlier, the backing thread will not invoke {@code
 * finalizeReferent()} on the remaining references.
 *

   * to reduce cache contention on most processors. Padding is
   * overkill for most Atomics because they are usually irregularly
   * scattered in memory and thus don't interfere much with each
   * other. But Atomic objects residing in arrays will tend to be
   * placed adjacent to each other, and so will most often share
   * cache lines (with a huge negative performance impact) without
   * this precaution.
   *

    /**
     * @throws Exception
     */
    @Test
    public void testPerformance() throws Exception {
        int num = 100000;
        Map<String, Object> hmap = new HashMap<String, Object>();
        Map<String, Object> amap = new ArrayMap<String, Object>();

        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            hmap.put(String.valueOf(i), null);
        }

		{
			volume, "myobject", 0, 5,
			[]byte("hello"), nil,
		},
		// Success read at hierarchy. - 2
		{
			volume, "path/to/my/object", 0, 5,
			[]byte("hello"), nil,
		},
		// Object is a directory. - 3
		{
			volume, "object-as-dir",
			0, 5, nil, errIsNotRegular,
		},
		// One path segment length is > 255 chars long. - 4
		{

      long seed, @Nullable Object expected, @Nullable Object actual) {
    if (!equal(actual, expected)) {
      // fail(), but with the JUnit-supplied message.
      assertEquals("Using seed " + seed, expected, actual);
    }
  }

  private static void assertEqualsUsingStartedWith(
      Collection<?> startedWith, @Nullable Object expected, @Nullable Object actual) {
    if (!equal(actual, expected)) {

 * under the License.
 */
package org.apache.maven.model.building;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;

import org.apache.maven.model.Model;
import org.apache.maven.model.Profile;

/**
 * Collects the output of the model builder.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead

    }

    @Override
    protected String getDictType() {
        return DICT_TYPE;
    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("segmentation", "segment");

    @Override
    public Map<String, Object> toSource() {
        Map<String, Object> sourceMap = new HashMap<>();
        if (name != null) {
            addFieldToSource(sourceMap, "name", name);
        }
        return sourceMap;
    }

    protected void addFieldToSource(Map<String, Object> sourceMap, String field, Object value) {
        sourceMap.put(field, value);
    }