code: public boolean removePrimitiveParameterId(String paramId) {
          boolean result = this.paramIds.remove(paramId);
          if (result) {
              recalculateChildren();
          }
          return result;
      }
docs: Removes a primitive parameter from which this abstraction is inferred.
  
  @param paramId
  a primitive parameter id <code>String</code>.
  @return <code>true</code> if removingg the parameter id was successful,
  <code>false</code> otherwise (e.g., <code>paramId</code> was
  <code>null</code> or not previously added to this abstraction
  definition).