parseTransportableData abstract method
Parses a raw object into a TransportableData instance.
Converts arbitrary raw data (e.g., string, map) into a standardized TransportableData object for consistent handling in message payloads.
@param ted - Raw data object to parse
@return Parsed TransportableData instance (null if parsing fails)
Implementation
TransportableData? parseTransportableData(Object? ted);