code: public GetSamplingStatisticSummariesResult withSamplingStatisticSummaries(SamplingStatisticSummary... samplingStatisticSummaries) {
          if (this.samplingStatisticSummaries == null) {
              setSamplingStatisticSummaries(new java.util.ArrayList<SamplingStatisticSummary>(samplingStatisticSummaries.length));
          }
          for (SamplingStatisticSummary ele : samplingStatisticSummaries) {
              this.samplingStatisticSummaries.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the number of requests instrumented for each sampling rule.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSamplingStatisticSummaries(java.util.Collection)} or
  {@link #withSamplingStatisticSummaries(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param samplingStatisticSummaries
  Information about the number of requests instrumented for each sampling rule.
  @return Returns a reference to this object so that method calls can be chained together.