code: public void setIpv4Ranges(java.util.Collection<IpRange> ipv4Ranges) {
          if (ipv4Ranges == null) {
              this.ipv4Ranges = null;
              return;
          }
  
          this.ipv4Ranges = new com.amazonaws.internal.SdkInternalList<IpRange>(ipv4Ranges);
      }
docs: <p>
  The IPv4 ranges.
  </p>
  
  @param ipv4Ranges
  The IPv4 ranges.