// to the peer.
type WriteOnCloser struct {
	io.Writer
	hasWritten bool
}

func (w *WriteOnCloser) Write(p []byte) (int, error) {
	w.hasWritten = true
	return w.Writer.Write(p)
}

// Close closes the WriteOnCloser. It behaves like io.Closer.
func (w *WriteOnCloser) Close() error {
	if !w.hasWritten {
		_, err := w.Write(nil)
		if err != nil {
			return err
		}
	}

    public LicenseHeadersTask() {
        setDescription("Checks sources for missing, incorrect, or unacceptable license headers");
    }

    /**
     * The list of java files to check. protected so the afterEvaluate closure in the
     * constructor can write to it.
     */
    @InputFiles
    @SkipWhenEmpty
    @PathSensitive(PathSensitivity.RELATIVE)
    public List<FileCollection> getJavaFiles() {

     *
     * @param data the request data to be executed
     * @return the response data from the executed request
     */
    ResponseData execute(RequestData data);

    /**
     * Closes the crawler client and releases any resources associated with it.
     * This default implementation does nothing.
     *
     * @throws Exception if an error occurs during closing
     */
    @Override

        verify(tree, times(1)).acquire();
        verify(tree, times(1)).release();
    }

    @Test
    @DisplayName("Happy path: iterates entries, fetchMore(), then closes with FindClose2")
    void iteratesAndFetchesMoreThenCloses() throws Exception {
        // Arrange: program send() to simulate first, next, next(NO_MORE_FILES)
        List<String[]> batches = new ArrayList<>();

package http

import (
	"context"
	"net"
	"syscall"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{

    void ensureBucketExists();

    /**
     * Checks if storage is properly configured and accessible.
     *
     * @return true if storage is available
     */
    boolean isAvailable();

    /**
     * Closes the client and releases resources.
     */
    @Override
    void close();

        assertArgumentNotNull("zis", zis);

        try {
            zis.reset();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Closes the {@link ZipInputStream}.
     * <p>
     * If {@link ZipInputStream#closeEntry()} throws an exception, an error message is logged.
     * The exception is not rethrown.
     * </p>
     *
     * @param zis

  private final Iterator<? extends CharSource> it;
  private @Nullable Reader current;

  MultiReader(Iterator<? extends CharSource> readers) throws IOException {
    this.it = readers;
    advance();
  }

  /** Closes the current reader and opens the next one, if any. */
  private void advance() throws IOException {
    close();
    if (it.hasNext()) {
      current = it.next().openStream();
    }
  }

  @Override

import okio.ForwardingSink
import okio.ForwardingSource
import okio.asOkioSocket
import okio.buffer

/**
 * Adapts a [java.net.Socket] to MockWebServer's needs.
 *
 * Note that [asOkioSocket] returns a socket that closes the underlying [java.net.Socket] when both
 * of its component streams are closed. This class takes advantage of that.
 */
internal class MockWebServerSocket(
  val javaNetSocket: Socket,
) : Closeable,
  BufferedSocket {

    private static final Logger logger = Logger.getLogger(ResultSetUtil.class);

    /**
     * Do not instantiate.
     */
    protected ResultSetUtil() {
    }

    /**
     * Closes the result set.
     * <p>
     * If {@link ResultSet#close()} throws an exception, an error message is logged. The exception is not rethrown.
     * </p>
     *
     * @param resultSet
     *            The result set