generateEnumCompanionForField
generateMessageCompanionForField
generateMessageCompanionMatcher
generateMessagesCompanions
generateMultipleScalaFilesForFileDescriptor
generateNestedMessagesCompanions
generateNoDefaultArgsFactory
generateSerializedSizeForField
generateSerializedSizeForPackedFields
generateSingleScalaFileForFileDescriptor
generateTypeMappersForMapEntry