public Builder setChunk(
        com.intellij.execution.process.mediator.common.rpc.DataChunk.Builder builderForValue) {
      if (chunkBuilder_ == null) {
        fileHandleOrBuffer_ = builderForValue.build();
        onChanged();
      } else {
        chunkBuilder_.setMessage(builderForValue.build());
      }
      fileHandleOrBufferCase_ = 2;
      return this;
    }
public Builder setChunk(
        com.intellij.execution.process.mediator.common.rpc.DataChunk.Builder builderForValue)