kubernetes/vendor/google.golang.org/grpc/internal/channelz/syscall_linux.go

type SocketOptionData …

// Getsockopt defines the function to get socket options requested by channelz.
// It is to be passed to syscall.RawConn.Control().
func (s *SocketOptionData) Getsockopt(fd uintptr) { … }

// GetSocketOption gets the socket option info of the conn.
func GetSocketOption(socket any) *SocketOptionData { … }