Builder (org.jetbrains.jps.javac.JavacRemoteProto.Message.Response.CompileMessage value) { if (compileMessageBuilder_ == null) { if (((bitField0_ & 0x00000002) != 0) && compileMessage_ != null && compileMessage_ != org.jetbrains.jps.javac.JavacRemoteProto.Message.Response.CompileMessage.getDefaultInstance()) { compileMessage_ = org.jetbrains.jps.javac.JavacRemoteProto.Message.Response.CompileMessage.newBuilder(compileMessage_).mergeFrom(value).buildPartial(); } else { compileMessage_ = value; } onChanged(); } else { compileMessageBuilder_.mergeFrom(value); } bitField0_ |= 0x00000002; return this; }