return
			}
			grid.PutByteBuffer(entry)
			if len(traceCh) == 0 {
				// Flush if nothing is queued
				w.(http.Flusher).Flush()
			}
		case <-keepAliveTicker.C:
			if len(traceCh) > 0 {
				continue
			}
			if _, err := w.Write([]byte(" ")); err != nil {
				return
			}
			w.(http.Flusher).Flush()
		case <-ctx.Done():
			return
		}
	}
}

		n += n0
		if err != nil || n0 < sniffLen {
			return n, err
		}
	}

	w.w.Flush()  // get rid of any previous writes
	w.cw.flush() // make sure Header is written; flush data to rwc

	// Now that cw has been flushed, its chunking field is guaranteed initialized.
	if !w.cw.chunking && w.bodyAllowed() {
		n0, err := rf.ReadFrom(src)
		n += n0
		w.written += n0

					return errors.New("header appeared from after WriteHeader")
				}
				return nil
			},
		},
		{
			name: "flush then write",
			handler: func(rw ResponseWriter, r *Request) {
				rw.(Flusher).Flush()
				rw.Write([]byte("post-flush"))
				rw.Header().Set("Too-Late", "Write already wrote headers")
			},
			check: func(got, logs string) error {

		w.Header().Set("Content-Length", "5")
		w.Header().Set("Content-Type", "text/plain")
		w.Write([]byte("Hello"))
		w.(Flusher).Flush()
		conn, buf, _ := w.(Hijacker).Hijack()
		buf.Flush()
		conn.Close()
	})).ts
	c := ts.Client()

	// Do a bunch of traffic from different goroutines. Send to activityc

final int _mask; private final Object[] _keys; private final Object[] _values; public void CachedMap(); public void CachedMap(int); public void CachedMap(int, java.util.Map); public int getCacheSize(); public java.util.Map getBackingMap(); public void flush(); public Object get(Object); private Object getCacheMissed(Object, int); public Object put(Object, Object); public Object remove(Object); public boolean containsKey(Object); public int size(); public boolean isEmpty(); public boolean containsValue(Object);...

final int _mask; private final Object[] _keys; private final Object[] _values; public void CachedMap(); public void CachedMap(int); public void CachedMap(int, java.util.Map); public int getCacheSize(); public java.util.Map getBackingMap(); public void flush(); public Object get(Object); private Object getCacheMissed(Object, int); public Object put(Object, Object); public Object remove(Object); public boolean containsKey(Object); public int size(); public boolean isEmpty(); public boolean containsValue(Object);...

final int _mask; private final Object[] _keys; private final Object[] _values; public void CachedMap(); public void CachedMap(int); public void CachedMap(int, java.util.Map); public int getCacheSize(); public java.util.Map getBackingMap(); public void flush(); public Object get(Object); private Object getCacheMissed(Object, int); public Object put(Object, Object); public Object remove(Object); public boolean containsKey(Object); public int size(); public boolean isEmpty(); public boolean containsValue(Object);...

final int _mask; private final Object[] _keys; private final Object[] _values; public void CachedMap(); public void CachedMap(int); public void CachedMap(int, java.util.Map); public int getCacheSize(); public java.util.Map getBackingMap(); public void flush(); public Object get(Object); private Object getCacheMissed(Object, int); public Object put(Object, Object); public Object remove(Object); public boolean containsKey(Object); public int size(); public boolean isEmpty(); public boolean containsValue(Object);...

final int _mask; private final Object[] _keys; private final Object[] _values; public void CachedMap(); public void CachedMap(int); public void CachedMap(int, java.util.Map); public int getCacheSize(); public java.util.Map getBackingMap(); public void flush(); public Object get(Object); private Object getCacheMissed(Object, int); public Object put(Object, Object); public Object remove(Object); public boolean containsKey(Object); public int size(); public boolean isEmpty(); public boolean containsValue(Object);...

final int _mask; private final Object[] _keys; private final Object[] _values; public void CachedMap(); public void CachedMap(int); public void CachedMap(int, java.util.Map); public int getCacheSize(); public java.util.Map getBackingMap(); public void flush(); public Object get(Object); private Object getCacheMissed(Object, int); public Object put(Object, Object); public Object remove(Object); public boolean containsKey(Object); public int size(); public boolean isEmpty(); public boolean containsValue(Object);...