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