sS sf_addReversedArguments(S name) {
  S snippetID = stdFunctions_cached().get(name);
  if (snippetID == null) ret "Function not found: " + name;
  S src = loadSnippet(snippetID);
  S reversed = tok_reverseFunctionArguments(javaDropAllComments(src));
  if (containsSubList(javaTokC(src), javaTokC(reversed))) ret "Already made";
  ret editSnippet(snippetID, joinWithEmptyLines(src, reversed));
}