encodeUnknownEvent method
Builds the documented unknown_event passthrough frame — what a host
emits when it must forward a frame it does not understand.
Implementation
Map<String, dynamic> encodeUnknownEvent({
required String originalKind,
Map<String, dynamic>? payload,
}) => {
'v': version,
'kind': 'unknown_event',
'originalKind': originalKind,
'payload': payload ?? const {},
};