docs: public String chompBalanced(char open, char close) {
          int start = -1;
          int end = -1;
          int depth = 0;
          char last = 0;
          boolean inSingleQuote = false;
          boolean inDoubleQuote = false;
  
          do {
              if (isEmpty()) break;
              Character c = consume();
              if (last == 0 || last != ESC) {
                  if (c.equals('\'') && c != open && !inDoubleQuote)
                      inSingleQuote = !inSingleQuote;
                  else if (c.equals('"') && c != open && !inSingleQuote)
                      inDoubleQuote = !inDoubleQuote;
                  if (inSingleQuote || inDoubleQuote)
                      continue;
  
                  if (c.equals(open)) {
                      depth++;
                      if (start == -1)
                          start = pos;
                  }
                  else if (c.equals(close))
                      depth--;
              }
  
              if (depth > 0 && last != 0)
                  end = pos; // don't include the outer match pair in the return
              last = c;
          } while (depth > 0);
          final String out = (end >= 0) ? queue.substring(start, end) : "";
          if (depth > 0) {// ran out of queue before seeing enough )
              Validate.fail("Did not find balanced marker at '" + out + "'");
          }
          return out;
      }