code: public java.util.List<SourceDetail> getSourceDetails() {
          if (sourceDetails == null) {
              sourceDetails = new com.amazonaws.internal.SdkInternalList<SourceDetail>();
          }
          return sourceDetails;
      }
docs: <p>
  Provides the source and type of the event that causes AWS Config to evaluate your AWS resources.
  </p>
  
  @return Provides the source and type of the event that causes AWS Config to evaluate your AWS resources.