feat: Waku v2 bridge

Issue #12610

vendor/github.com/anacrolix/chansync/events/events.go

@@ -0,0 +1,12 @@
+package events
+
+// Here we'll strongly-type channels to assist correct usage, if possible.
+
+type (
+	Signaled <-chan struct{}
+	Done     <-chan struct{}
+	Active   <-chan struct{}
+	Signal   chan<- struct{}
+	Acquire  chan<- struct{}
+	Release  <-chan struct{}
+)