code: public RegexPatternSet withRegexPatternStrings(String... regexPatternStrings) {
          if (this.regexPatternStrings == null) {
              setRegexPatternStrings(new java.util.ArrayList<String>(regexPatternStrings.length));
          }
          for (String ele : regexPatternStrings) {
              this.regexPatternStrings.add(ele);
          }
          return this;
      }
docs: <p>
  Specifies the regular expression (regex) patterns that you want AWS WAF to search for, such as
  <code>B[a@]dB[o0]t</code>.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRegexPatternStrings(java.util.Collection)} or {@link #withRegexPatternStrings(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param regexPatternStrings
  Specifies the regular expression (regex) patterns that you want AWS WAF to search for, such as
  <code>B[a@]dB[o0]t</code>.
  @return Returns a reference to this object so that method calls can be chained together.