//     we find them, regardless of what the address policies need.
    //
    //  2. EVICTABLE: Connections not required by any address policy. This matches connections that
    //     don't participate in any policy, plus connections whose policies won't be violated if the
    //     connection is closed. We only close these if the idle connection limit is exceeded.
    //

	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].

import (
	"internal/stringslite"
)

// Clone returns a fresh copy of s.
// It guarantees to make a copy of s into a new allocation,
// which can be important when retaining only a small substring
// of a much larger string. Using Clone can help such programs
// use less memory. Of course, since using Clone makes a copy,
// overuse of Clone can make programs use more memory.
// Clone should typically be used only rarely, and only when

//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname cloneOrMakeHeader
func cloneOrMakeHeader(hdr Header) Header {
	clone := hdr.Clone()
	if clone == nil {
		clone = make(Header)
	}
	return clone

// and closes it after the worker process closes the other end.
func (wc *workerClient) Close() error {
	wc.mu.Lock()
	defer wc.mu.Unlock()

	// Close fuzzIn. This signals to the server that there are no more calls,
	// and it should exit.
	if err := wc.fuzzIn.Close(); err != nil {
		wc.fuzzOut.Close()
		return err
	}

	"net/http/internal/testcert"
	"strings"
	"testing"
)

// Issue 15446: incorrect wrapping of errors when server closes an idle connection.
func TestTransportPersistConnReadLoopEOF(t *testing.T) {
	ln := newLocalListener(t)
	defer ln.Close()

	connc := make(chan net.Conn, 1)
	go func() {
		defer close(connc)
		c, err := ln.Accept()
		if err != nil {
			t.Error(err)
			return
		}
		connc <- c
	}()

				continue
			}
		}
	}()

	return objs, nil
}

// Close and release resources.
func (w *metacacheWriter) Close() error {
	if w == nil || w.closer == nil {
		return nil
	}
	w.streamWg.Wait()
	err := w.closer()
	w.closer = nil
	return err
}

// Reset and start writing to new writer.
// Close must have been called before this.
func (w *metacacheWriter) Reset(out 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() {

	mu         sync.Mutex // guards following, and calls to Read and Close
	sawEOF     bool
	closed     bool
	earlyClose bool   // Close called and we didn't read to the end of src
	onHitEOF   func() // if non-nil, func to call when EOF is Read
}

// ErrBodyReadAfterClose is returned when reading a [Request] or [Response]
// Body after the body has been closed. This typically happens when the body is

	// In this case, the `initialSyncTimeout` will never be set
	// In order not block istiod start up, check close as well.
	if c.Closed() {
		return true
	}
	return c.initialSync.Load() || c.initialSyncTimeout.Load()
}

func (c *Cluster) Closed() bool {
	select {
	case <-c.stop:
		return true
	default:
		return false
	}
}

func (c *Cluster) SyncDidTimeout() bool {