code: public String getDimensionDescription(int dimension) {
          if (dimension < 0 || dimension >= basisMapping.numDimensions())
              throw new IllegalArgumentException(
                  "Invalid dimension: " + dimension);
          return basisMapping.getDimensionDescription(dimension);
      }
docs: Returns a description of the dependency path feature to which the
  provided dimension is mapped.
  
  @param dimension {@inheritDoc}
  @return {@inheritDoc}