OptionalrawPayload: Uint8Array<ArrayBufferLike>Protected Readonly_Protected Optional Readonly_ProtectedrawStatic ReadonlyopcodeEncodes the full packet: [Opcode, Length, ...Payload, Checksum]
For RX packets, toPayload returns the raw payload received.
StaticfromStatic factory method to create an instance from a payload. This MUST be implemented by leaf classes for strict parsing.
Notification that the opening code is valid.