void (org.jetbrains.jps.api.CmdlineRemoteProto.Message.UUID value) { value.getClass(); if (sessionId_ != null && sessionId_ != org.jetbrains.jps.api.CmdlineRemoteProto.Message.UUID.getDefaultInstance()) { sessionId_ = org.jetbrains.jps.api.CmdlineRemoteProto.Message.UUID.newBuilder(sessionId_).mergeFrom(value).buildPartial(); } else { sessionId_ = value; } bitField0_ |= 0x00000001; }