getExtension method
Retrieves an extension from the registry that adds tag number tagNumber
to the messageName
message type.
Implementation
Extension? getExtension(String messageName, int tagNumber) =>
_extensions[messageName]?[tagNumber];
Retrieves an extension from the registry that adds tag number tagNumber
to the messageName
message type.
Extension? getExtension(String messageName, int tagNumber) =>
_extensions[messageName]?[tagNumber];