QUICConfig:      &quic.Config{},
		}
	}
	closeFn := func(conn *http3.RoundTripper) func() {
		return func() {
			_ = conn.Close()
		}
	}
	noCloseFn := func() {}

	if cfg.newConnectionPerRequest {
		// Create a new transport (i.e. connection) for each request.
		return func() (http.RoundTripper, func(), error) {
			conn := newConn()
			return conn, closeFn(conn), nil
		}, noCloseFn
	}

)

// DrainBody close non nil response with any response Body.
// convenient wrapper to drain any remaining data on response body.
//
// Subsequently this allows golang http RoundTripper
// to reuse the same connection for future requests.
func DrainBody(respBody io.ReadCloser) {
	// Callers should close resp.Body when done reading from it.
	// If resp.Body is not closed, the Client's underlying RoundTripper

	if n != len(src) && err == nil { // should never happen
		err = io.ErrShortWrite
	}
	return
}

// Close closes the underlying Writer and returns its Close return value, if the Writer
// is also an io.Closer. Otherwise it returns nil.
func (w StreamWriter) Close() error {
	if c, ok := w.W.(io.Closer); ok {
		return c.Close()
	}
	return nil

    }

    public void close() {
        closed = true;
    }

    public Action<Object> closer() {
        return new Action<Object>() {
            @Override
            public void execute(Object o) {
                close();
            }
        };
    }

    @Override
    public void assertCanMutate() {
        if (closed) {

		c.waitForDone()
	}

	// Upon returning, notify the parent that we're done.
	defer func() {
		close(s.closeChan)
	}()

	var err error
	// Do reverse walk for cleanup.
	for i := len(s.closers) - 1; i >= 0; i-- {
		c := s.closers[i]

		if nocleanup {
			if cc, ok := c.(*closer); ok && cc.noskip {
				continue
			} else if !ok {
				continue
			}
		}

		name := "lambda"

        return result;
    }

    /**
     * Closes the given resource rethrowing any {@link IOException} as a {@link UncheckedIOException}.
     *
     * @param resource The resource to be closed
     */
    public static void uncheckedClose(@Nullable Closeable resource) {
        try {
            if (resource != null) {
                resource.close();
            }
        } catch (IOException e) {

        1 * backingCache.close()
        0 * _._
    }

    def "closes cache when closed"() {
        given:
        cacheOpened()

        when:
        cache.finishWork()

        then:
        1 * fileAccess.writeFile(!null) >> { Runnable action -> action.run() }
        1 * backingCache.close()
        0 * _._
    }

        then:
        cancelsAndExits()
    }

    def "should cancel build when System.in is closed"() {
        given:
        succeeds("build")

        when:
        gradle.stdinPipe.close()

        then:
        cancelsAndExits()
    }

    def "should cancel build when System.in contains some other characters, then closes"() {
        when:
        succeeds("build")
        stdinPipe << 'abc'

        then:

	if z.err != nil {
		return z.err
	}
	if z.closed {
		return nil
	}
	if !z.wroteHeader {
		z.Write(nil)
		if z.err != nil {
			return z.err
		}
	}
	z.err = z.compressor.Flush()
	return z.err
}

// Close closes the [Writer] by flushing any unwritten data to the underlying
// [io.Writer] and writing the GZIP footer.
// It does not close the underlying [io.Writer].

    val relay = edit(file, upstream, metadata, 1024)
    val source1 = relay.newSource()
    val source2 = relay.newSource()
    source1!!.close()
    source1.close() // Unnecessary. Shouldn't decrement the reference count.
    assertThat(relay.isClosed).isFalse()
    source2!!.close()
    assertThat(relay.isClosed).isTrue()
    assertFile(Relay.PREFIX_DIRTY, -1L, -1, null, null)
  }

  @Test
  fun racingReaders() {