code: function tagResultFunction(fn, tokenDescription, replacement) {
    const description = tag(fn);
    if (description) {
      tokenDescription = description.replace(tokenDescription, replacement);
    }
  
    tag(fn, tokenDescription);
  
    fn.toString = tokenToString;
    return fn;
  }
docs: Internal utility function that wraps result function
  @param fn
  @param tokenDescription
  @param replacement
  @returns {*}