public Builder addDrawCommands(org.bwapi.proxy.messages.DrawCommands.DrawCommand value) {
        if (drawCommandsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureDrawCommandsIsMutable();
          drawCommands_.add(value);
          onChanged();
        } else {
          drawCommandsBuilder_.addMessage(value);
        }
        return this;
      }