code: public GetSamplingTargetsRequest withSamplingStatisticsDocuments(SamplingStatisticsDocument... samplingStatisticsDocuments) {
          if (this.samplingStatisticsDocuments == null) {
              setSamplingStatisticsDocuments(new java.util.ArrayList<SamplingStatisticsDocument>(samplingStatisticsDocuments.length));
          }
          for (SamplingStatisticsDocument ele : samplingStatisticsDocuments) {
              this.samplingStatisticsDocuments.add(ele);
          }
          return this;
      }
docs: <p>
  Information about rules that the service is using to sample requests.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSamplingStatisticsDocuments(java.util.Collection)} or
  {@link #withSamplingStatisticsDocuments(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param samplingStatisticsDocuments
  Information about rules that the service is using to sample requests.
  @return Returns a reference to this object so that method calls can be chained together.