checkNonNegative(--selfLoopCount);
    }
    N previousNode = inEdgeMap.remove(edge);
    // We're relying on callers to call this method only with an edge that's in the graph.
    return requireNonNull(previousNode);
  }

  @Override
  public N removeOutEdge(E edge) {
    N previousNode = outEdgeMap.remove(edge);
    // We're relying on callers to call this method only with an edge that's in the graph.

    checkNotNull(key);
    checkNotNull(value);
    clearCache();
    return backingMap.put(key, value);
  }

  @CanIgnoreReturnValue
  final @Nullable V remove(Object key) {
    checkNotNull(key);
    clearCache();
    return backingMap.remove(key);
  }

  final void clear() {
    clearCache();
    backingMap.clear();
  }

  @Nullable V get(Object key) {
    checkNotNull(key);

          iterator.next();
          iterator.remove();
        });

    Set<Entry<Integer, String>> entries = unmod.entrySet();
    assertThrows(
        UnsupportedOperationException.class,
        () -> {
          Iterator<Entry<Integer, String>> iterator = entries.iterator();
          iterator.next();
          iterator.remove();
        });
    {

      assertTrue(Thread.holdsLock(mutex));
      delegate.putAll(table);
    }

    @Override
    public @Nullable V remove(Object rowKey, Object columnKey) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.remove(rowKey, columnKey);
    }

    @Override
    public Map<C, V> row(R rowKey) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.row(rowKey);

/**
 * <p>
 * Extension point that allows build extensions observe and possibly veto project build execution.
 * </p>
 * <strong>Note:</strong> This interface is part of work in progress and can be changed or removed without notice.
 *
 * @see ExecutionListener
 * @see MojoExecutionListener
 * @since 3.1.2
 */
public interface ProjectExecutionListener {

import org.apache.maven.repository.legacy.WagonManager;
import org.codehaus.plexus.logging.AbstractLogEnabled;

/**
 * Describes a version transformation during artifact resolution.
 *
 * TODO try and refactor to remove abstract methods - not particular happy about current design
 */
@Deprecated
public abstract class AbstractVersionTransformation extends AbstractLogEnabled implements ArtifactTransformation {
    @Inject

  public boolean isEmpty() {
    return size() == 0;
  }

  @Override
  public void clear() {
    Iterators.clear(cellSet().iterator());
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V remove(@Nullable Object rowKey, @Nullable Object columnKey) {
    Map<C, V> row = safeGet(rowMap(), rowKey);
    return (row == null) ? null : Maps.safeRemove(row, columnKey);
  }

  @CanIgnoreReturnValue
  @Override

				}
				return nil
			}

			// successfully read means we have a valid object.
			foundObjects = true
			// Remove filename i.e is the meta file to construct object name
			item.transformMetaDir()

			// Object already accounted for, remove from heal map,
			// simply because getSize() function already heals the
			// object.
			delete(abandonedChildren, pathJoin(item.bucket, item.objectPath()))

    assertThat(asMap.get(10)).isEqualTo(50);
    assertThat(cache.getIfPresent(2)).isEqualTo(79);
    assertThat(asMap.get(2)).isEqualTo(79);

    asMap.remove(10, 100);
    asMap.remove(2, 79);

    assertThat(cache.getIfPresent(10)).isEqualTo(50);
    assertThat(asMap.get(10)).isEqualTo(50);
    assertThat(cache.getIfPresent(2)).isNull();
    assertThat(asMap.get(2)).isNull();

		{
			[]byte("10000;"),
			[]byte("10000;"),
			nil,
		},
		// Test - 3 no chunk size, return error.
		{
			[]byte(";chunk-signature="),
			nil,
			nil,
		},
		// Test - 4 removes trailing slash.
		{
			[]byte("10000;chunk-signature=ad80c730a21e5b8d04586a2213dd63b9a0e99e0e2307b0ade35a65485a288648    \t \n"),
			[]byte("10000"),