code: public java.util.List<String> getCheckerIpRanges() {
          if (checkerIpRanges == null) {
              checkerIpRanges = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return checkerIpRanges;
      }
docs: <p>
  A complex type that contains sorted list of IP ranges in CIDR format for Amazon Route 53 health checkers.
  </p>
  
  @return A complex type that contains sorted list of IP ranges in CIDR format for Amazon Route 53 health checkers.