It seems that the sub-builders introduced for Java in 2.4.0 help to solve the issues in these two posts:
Making 'Data' classes mutable: http://groups.google.com/group/protobuf/browse_thread/thread/1699791071e92c83/fad54dd509a649ea Builders containing builders: http://groups.google.com/group/protobuf/browse_thread/thread/8675678c4b973510/dd8f2134534630d9 I only wanted to express my appreciation for this change. It will help us a lot! Thanks guys! -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To post to this group, send email to protobuf@googlegroups.com. To unsubscribe from this group, send email to protobuf+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/protobuf?hl=en.