code: public static SanitizedContent numberJs(final long number) {
      return SanitizedContent.create(String.valueOf(number), ContentKind.JS);
    }
docs: Creates JS from a number.
  
  <p>Soy prints numbers as floats and it wraps them in spaces. This is undesirable if the source
  code is presented to the user, e.g. in {@code <textarea>}. This function allows converting the
  number to JS which is then printed as is.