Builder (com.intellij.execution.process.mediator.rpc.CommandLine value) { if (commandLineBuilder_ == null) { if (commandLine_ != null) { commandLine_ = com.intellij.execution.process.mediator.rpc.CommandLine.newBuilder(commandLine_).mergeFrom(value).buildPartial(); } else { commandLine_ = value; } onChanged(); } else { commandLineBuilder_.mergeFrom(value); } return this; }