code: public PolicyParameter withMapEntries(ParameterMapEntry... mapEntries) {
          if (this.mapEntries == null) {
              setMapEntries(new java.util.ArrayList<ParameterMapEntry>(mapEntries.length));
          }
          for (ParameterMapEntry ele : mapEntries) {
              this.mapEntries.add(ele);
          }
          return this;
      }
docs: <p>
  List of ParameterMapEntry objects.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setMapEntries(java.util.Collection)} or {@link #withMapEntries(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param mapEntries
  List of ParameterMapEntry objects.
  @return Returns a reference to this object so that method calls can be chained together.