code: public java.util.List<MetricDataQuery> getMetricDataQueries() {
          if (metricDataQueries == null) {
              metricDataQueries = new com.amazonaws.internal.SdkInternalList<MetricDataQuery>();
          }
          return metricDataQueries;
      }
docs: <p>
  The metric queries to be returned. A single <code>GetMetricData</code> call can include as many as 100
  <code>MetricDataQuery</code> structures. Each of these structures can specify either a metric to retrieve, or a
  math expression to perform on retrieved data.
  </p>
  
  @return The metric queries to be returned. A single <code>GetMetricData</code> call can include as many as 100
  <code>MetricDataQuery</code> structures. Each of these structures can specify either a metric to
  retrieve, or a math expression to perform on retrieved data.