Your receipt of the notice.

5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section

pkg net/http, type File interface, Stat() (os.FileInfo, error)
pkg net/http, type FileSystem interface { Open }
pkg net/http, type FileSystem interface, Open(string) (File, error)
pkg net/http, type Flusher interface { Flush }
pkg net/http, type Flusher interface, Flush()
pkg net/http, type Handler interface { ServeHTTP }
pkg net/http, type Handler interface, ServeHTTP(ResponseWriter, *Request)