public Builder mergeHandle(com.intellij.execution.process.mediator.common.rpc.FileHandle value) {
      if (handleBuilder_ == null) {
        if (fileHandleOrBufferCase_ == 1 &&
            fileHandleOrBuffer_ != com.intellij.execution.process.mediator.common.rpc.FileHandle.getDefaultInstance()) {
          fileHandleOrBuffer_ = com.intellij.execution.process.mediator.common.rpc.FileHandle.newBuilder((com.intellij.execution.process.mediator.common.rpc.FileHandle) fileHandleOrBuffer_)
              .mergeFrom(value).buildPartial();
        } else {
          fileHandleOrBuffer_ = value;
        }
        onChanged();
      } else {
        if (fileHandleOrBufferCase_ == 1) {
          handleBuilder_.mergeFrom(value);
        } else {
          handleBuilder_.setMessage(value);
        }
      }
      fileHandleOrBufferCase_ = 1;
      return this;
    }
public Builder mergeHandle(com.intellij.execution.process.mediator.common.rpc.FileHandle value)