code: public PutPipelineDefinitionRequest withParameterObjects(ParameterObject... parameterObjects) {
          if (this.parameterObjects == null) {
              setParameterObjects(new com.amazonaws.internal.SdkInternalList<ParameterObject>(parameterObjects.length));
          }
          for (ParameterObject ele : parameterObjects) {
              this.parameterObjects.add(ele);
          }
          return this;
      }
docs: <p>
  The parameter objects used with the pipeline.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setParameterObjects(java.util.Collection)} or {@link #withParameterObjects(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param parameterObjects
  The parameter objects used with the pipeline.
  @return Returns a reference to this object so that method calls can be chained together.