code: public GetCheckerIpRangesResult withCheckerIpRanges(String... checkerIpRanges) {
          if (this.checkerIpRanges == null) {
              setCheckerIpRanges(new com.amazonaws.internal.SdkInternalList<String>(checkerIpRanges.length));
          }
          for (String ele : checkerIpRanges) {
              this.checkerIpRanges.add(ele);
          }
          return this;
      }
docs: <p>
  A complex type that contains sorted list of IP ranges in CIDR format for Amazon Route 53 health checkers.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCheckerIpRanges(java.util.Collection)} or {@link #withCheckerIpRanges(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param checkerIpRanges
  A complex type that contains sorted list of IP ranges in CIDR format for Amazon Route 53 health checkers.
  @return Returns a reference to this object so that method calls can be chained together.