code: @SuppressWarnings({"WeakerAccess", "unused"}) // For library users
      public static void setDefault(final String prefixTag, final String postfixTag) {
          defaultHighlighter = new Highlighter(prefixTag, postfixTag);
      }
docs: Sets the default highlighter to highlight anything between {@code prefixTag} and {@code postfixTag}.
  
  @param prefixTag  the String that is inserted before a highlighted part of a result.
  @param postfixTag the String that is inserted after a highlighted part of a result.