code: public SqlApplicationConfiguration withReferenceDataSources(ReferenceDataSource... referenceDataSources) {
          if (this.referenceDataSources == null) {
              setReferenceDataSources(new java.util.ArrayList<ReferenceDataSource>(referenceDataSources.length));
          }
          for (ReferenceDataSource ele : referenceDataSources) {
              this.referenceDataSources.add(ele);
          }
          return this;
      }
docs: <p>
  The array of <a>ReferenceDataSource</a> objects describing the reference data sources used by the application.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setReferenceDataSources(java.util.Collection)} or {@link #withReferenceDataSources(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param referenceDataSources
  The array of <a>ReferenceDataSource</a> objects describing the reference data sources used by the
  application.
  @return Returns a reference to this object so that method calls can be chained together.