code: public MutableInputColumn<?> getOutputColumnByName(String name) {
          if (StringUtils.isNullOrEmpty(name)) {
              return null;
          }
  
          final List<MutableInputColumn<?>> outputColumns = getOutputColumns();
          for (MutableInputColumn<?> inputColumn : outputColumns) {
              if (name.equals(inputColumn.getName())) {
                  return inputColumn;
              }
          }
          return null;
      }
docs: Gets an output column by name.
  
  @see #getOutputColumns()
  
  @param name
  @return