assertTrue(getMap().remove(k0(), v0()));
    expectMissing(e0());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_supportedPresentKeyWrongValue() {
    assertFalse(getMap().remove(k0(), v3()));
    expectUnchanged();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_supportedWrongKeyPresentValue() {
    assertFalse(getMap().remove(k3(), v0()));
    expectUnchanged();
  }

    assertTrue(getMap().remove(k0(), v0()));
    expectMissing(e0());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_supportedPresentKeyWrongValue() {
    assertFalse(getMap().remove(k0(), v3()));
    expectUnchanged();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_supportedWrongKeyPresentValue() {
    assertFalse(getMap().remove(k3(), v0()));
    expectUnchanged();
  }

    assertTrue(getMap().remove(k0(), v0()));
    expectMissing(e0());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_supportedPresentKeyWrongValue() {
    assertFalse(getMap().remove(k0(), v3()));
    expectUnchanged();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_supportedWrongKeyPresentValue() {
    assertFalse(getMap().remove(k3(), v0()));
    expectUnchanged();
  }

 */
package org.apache.maven.repository.metadata;

import java.util.List;

import org.apache.maven.artifact.repository.ArtifactRepository;

/**
 * Provides some metadata operations, like querying the remote repository for a list of versions available for an
 * artifact.
 *
 */
@Deprecated
public interface MetadataSource {
    String ROLE = MetadataSource.class.getName();

    MetadataResolution retrieve(

     * the URL queue for the current thread is removed.
     *
     * @param urlQueue the URL queue to be set for the current thread, or null to remove the URL queue
     */
    public static void setUrlQueue(final UrlQueue<?> urlQueue) {
        if (urlQueue == null) {
            URL_QUEUE_THREAD_LOCAL.remove();
        } else {
            URL_QUEUE_THREAD_LOCAL.set(urlQueue);
        }
    }

    /**

 * Windows command prompt you can see
 * what names a host registers with the nbtstat command.
 *
 *  * <blockquote>
 *
 * <pre>
 * C:\&gt;nbtstat -a 192.168.1.15
 *
 *        NetBIOS Remote Machine Name Table
 *
 *    Name               Type         Status
 * ---------------------------------------------
 * JMORRIS2        &lt;00&gt;  UNIQUE      Registered
 * BILLING-NY      &lt;00&gt;  GROUP       Registered

      iterator.remove();
      assertEquals(initialSize - 1, map.size());

      // Use "entryCopy" instead of "entry" because "entry" might be invalidated after
      // iterator.remove().
      assertFalse(entrySet.contains(entryCopy));
      assertInvariants(map);
      assertThrows(IllegalStateException.class, iterator::remove);
    } else {
      iterator.next();

  public Collection<V> removeAll(@Nullable Object key) {
    return MoreObjects.firstNonNull(asMap().remove(key), unmodifiableEmptyCollection());
  }

  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  Collection<V> unmodifiableEmptyCollection() {
    // These return false, rather than throwing a UOE, on remove calls.
    return (unfiltered instanceof SetMultimap) ? emptySet() : emptyList();
  }

	createCallback.Remove("c1")
	if ok, msg := assertCallbacks(createCallback, []string{"c3", "c4", "c2"}); !ok {
		t.Errorf("callbacks tests failed, got %v", msg)
	}

	createCallback.Remove("c4")
	if ok, msg := assertCallbacks(createCallback, []string{"c3", "c2"}); !ok {
		t.Errorf("callbacks tests failed, got %v", msg)
	}

	createCallback.Remove("c2")

  }

  /**
   * A sensible definition of {@link #remove(Object)} in terms of {@link #remove(Object, int)}. If
   * you override {@link #remove(Object, int)}, you may wish to override {@link #remove(Object)} to
   * forward to this implementation.
   *
   * @since 7.0
   */
  @Override
  protected boolean standardRemove(@Nullable Object element) {
    return remove(element, 1) > 0;
  }

  /**