return requireNonNull(DEST_TL.get());
  }

  /**
   * A thread-local destination buffer to keep us from creating new buffers. The starting size is
   * 1024 characters. If we grow past this we don't put it back in the threadlocal, we just keep
   * going and grow as needed.
   */
  private static final ThreadLocal<char[]> DEST_TL =
      new ThreadLocal<char[]>() {
        @Override

    return delegate.pollFirstEntry();
  }

  @Override
  public @Nullable Entry<K, V> pollLastEntry() {
    return delegate.pollLastEntry();
  }

  @Override
  public @Nullable V put(K key, V value) {
    return delegate.put(checkValid(key), value);
  }

  @Override
  public void putAll(Map<? extends K, ? extends V> map) {
    for (K key : map.keySet()) {
      checkValid(key);
    }

	}

	return f
}

type bufPool struct {
	sz   int
	pool bpool.Pool[*[]byte]
}

func (b *bufPool) Put(buf []byte) {
	if cap(buf) < b.sz || cap(buf) > b.sz*2 {
		// Buffer too small or will likely leak memory after being expanded.
		// Drop it.
		return
	}
	b.pool.Put(&buf)
}

func (b *bufPool) Get() []byte {
	bufp := b.pool.Get()
	if bufp == nil || cap(*bufp) < b.sz {

                Map<PhaseId, List<MojoExecution>> phaseBindings = new TreeMap<>(
                        Comparator.comparing(PhaseId::toString, new PhaseComparator(lifecycle.getPhases())));
                mappings.put(phase, phaseBindings);
            }
        }

        /*
         * Grab plugin executions that are bound to the selected lifecycle phases from project. The effective model of

        // Create directory cache entry
        DirectoryCacheEntry cacheEntry = new DirectoryCacheEntry(directoryPath, leaseKey, scope);
        directoryCache.put(directoryPath, cacheEntry);
        leaseToPath.put(leaseKey, directoryPath);

        // Start change notification if enabled
        Configuration config = context.getConfig();
        if (isDirectoryNotificationsEnabled(config)) {

            protected URLConnection openConnection(URL u) throws IOException {
                return mock(HttpURLConnection.class);
            }
        };

        handlers.put("http", httpHandler);
        handlers.put("https", httpsHandler);
    }

    @Test
    void testGetDefaultPort() {
        // This test verifies that the handler returns the correct default HTTP port.

                }
                buffer.setLength(0);
            } else if ("list".equals(qName)) {
                if (fieldName != null && !dataMap.containsKey(fieldName)) {
                    dataMap.put(fieldName, new ArrayList<>());
                }
            } else if ("item".equals(qName)) {
                buffer.setLength(0);
            }
        }

        @Override

#### Operation { #operation }

„Operation“ bezieht sich hier auf eine der HTTP-„Methoden“.

Eine von diesen:

* `POST`
* `GET`
* `PUT`
* `DELETE`

... und die etwas Exotischeren:

* `OPTIONS`
* `HEAD`
* `PATCH`
* `TRACE`

Im HTTP-Protokoll können Sie mit jedem Pfad über eine (oder mehrere) dieser „Methoden“ kommunizieren.

@Singleton
public class StringWagon extends StreamWagon {
    private Map<String, String> expectedContent = new HashMap<>();

    public void addExpectedContent(String resourceName, String expectedContent) {
        this.expectedContent.put(resourceName, expectedContent);
    }

    public String[] getSupportedProtocols() {
        return new String[] {"string"};
    }

    @Override
    public void closeConnection() throws ConnectionException {}

    }

    public void setResolutionErrors(Dependency dependency, List<Exception> errors) {
        dependencies.add(dependency);
        unresolvedDependencies.add(dependency);
        resolutionErrors.put(dependency, errors);
    }