code: public java.util.List<ParameterObject> getParameterObjects() {
          if (parameterObjects == null) {
              parameterObjects = new com.amazonaws.internal.SdkInternalList<ParameterObject>();
          }
          return parameterObjects;
      }
docs: <p>
  The parameter objects used with the pipeline.
  </p>
  
  @return The parameter objects used with the pipeline.