sources map[string]chan interface{}
}

// newMux creates a new mux that can merge changes from multiple sources.
func newMux(merger merger) *mux {
	mux := &mux{
		sources: make(map[string]chan interface{}),
		merger:  merger,
	}
	return mux
}

// ChannelWithContext returns a channel where a configuration source
// can send updates of new configurations. Multiple calls with the same

	}
}

func TestInstallPathHandler(t *testing.T) {
	mux := http.NewServeMux()
	InstallPathHandler(mux, "/healthz/test")
	InstallPathHandler(mux, "/healthz/ready")
	req, err := http.NewRequest("GET", "http://example.com/healthz/test", nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	w := httptest.NewRecorder()
	mux.ServeHTTP(w, req)
	if w.Code != http.StatusOK {

}

// Formerly ServeMux.Handle.
func (mux *serveMux121) handle(pattern string, handler Handler) {
	mux.mu.Lock()
	defer mux.mu.Unlock()

	if pattern == "" {
		panic("http: invalid pattern")
	}
	if handler == nil {
		panic("http: nil handler")
	}
	if _, exist := mux.m[pattern]; exist {
		panic("http: multiple registrations for " + pattern)
	}

	if mux.m == nil {
		mux.m = make(map[string]muxEntry)
	}

	}

	return nil, ErrInvalidDB
}

func (db *PreparedStmtDB) Close() {
	db.Mux.Lock()
	defer db.Mux.Unlock()

	for _, query := range db.PreparedSQL {
		if stmt, ok := db.Stmts[query]; ok {
			delete(db.Stmts, query)
			go stmt.Close()
		}
	}
}

func (sdb *PreparedStmtDB) Reset() {
	sdb.Mux.Lock()
	defer sdb.Mux.Unlock()

	for _, stmt := range sdb.Stmts {
		go stmt.Close()
	}

		fmt.Fprintf(w, "OK")
	}
	mux := NewServeMux()
	mux.HandleFunc("/", fn)
	mux.HandleFunc("/index", fn)
	mux.HandleFunc("/home", fn)
	mux.HandleFunc("/about", fn)
	mux.HandleFunc("/contact", fn)
	mux.HandleFunc("/robots.txt", fn)
	mux.HandleFunc("/products/", fn)
	mux.HandleFunc("/products/1", fn)
	mux.HandleFunc("/products/2", fn)
	mux.HandleFunc("/products/3", fn)
	mux.HandleFunc("/products/3/image.jpg", fn)

// "/readyz" to mux. *All handlers* for mux must be specified in
// exactly one call to InstallHandler. Calling InstallHandler more
// than once for the same mux will result in a panic.
func InstallReadyzHandler(mux mux, checks ...HealthChecker) {
	InstallPathHandler(mux, "/readyz", checks...)
}

// InstallLivezHandler registers handlers for liveness checking on the path
// "/livez" to mux. *All handlers* for mux must be specified in

	s.addDebugHandler(mux, internalMux, "/debug/edsz", "Status and debug interface for EDS", s.Edsz)
	s.addDebugHandler(mux, internalMux, "/debug/ndsz", "Status and debug interface for NDS", s.ndsz)
	s.addDebugHandler(mux, internalMux, "/debug/adsz", "Status and debug interface for ADS", s.adsz)
	s.addDebugHandler(mux, internalMux, "/debug/adsz?push=true", "Initiates push of the current state to all connected endpoints", s.adsz)

func (m *BiMultimap) Exists(key Key) bool {
	m.mux.RLock()
	defer m.mux.RUnlock()

	_, exists := m.labeledObjects[key]
	return exists
}

// PutSelector inserts or updates an object with a selector. Associations
// are created or updated based on the selector.
func (m *BiMultimap) PutSelector(key Key, selector pkglabels.Selector) {
	m.mux.Lock()
	defer m.mux.Unlock()

	selectorKey := selectorKey{

	defer timer.Stop()
	for {
		stopped := func() bool {
			pr.mux.Lock()
			defer pr.mux.Unlock()
			for pr.waiting == 0 && !pr.stopped {
				pr.cond.Wait()
			}
			return pr.stopped
		}()
		if stopped {
			return
		}

		select {
		case <-timer.C():
			shouldRequest := func() bool {
				pr.mux.Lock()
				defer pr.mux.Unlock()
				return pr.waiting > 0 && !pr.stopped
			}()

		{Type: traceviewer.ViewThread, Ranges: ranges},
	}))

	// Catapult handlers.
	mux.Handle("/trace", traceviewer.TraceHandler())
	mux.Handle("/jsontrace", JSONTraceHandler(parsed))
	mux.Handle("/static/", traceviewer.StaticHandler())

	// Goroutines handlers.
	mux.HandleFunc("/goroutines", GoroutinesHandlerFunc(parsed.summary.Goroutines))
	mux.HandleFunc("/goroutine", GoroutineHandler(parsed.summary.Goroutines))

	// MMU handler.