code: public java.util.List<OperatingSystem> getOperatingSystems() {
          if (operatingSystems == null) {
              operatingSystems = new com.amazonaws.internal.SdkInternalList<OperatingSystem>();
          }
          return operatingSystems;
      }
docs: <p>
  Contains information in response to a <code>DescribeOperatingSystems</code> request.
  </p>
  
  @return Contains information in response to a <code>DescribeOperatingSystems</code> request.