sS addClassNameToInclude(S snippetID, S className) {
  LS tok = javaTokSnippet(snippetID);

  if (jfind(tok, "please include class " + className) >= 0)
    ret className + " already included";
  
  tokPrepend(tok, l(tok)-1, "\nplease include class " + className + ".");
  
  ret editSnippet(snippetID, join(tok));
}