svoid tok_complicatedFunctionDefs(LS tok, Set<S> complicatedFunctions_out) {
  int i;
  while ((i = jfind(tok, "static complicatedFunction <id>")) >= 0) {
    int bracket = indexOf(tok, "(", i);
    int codeStart = indexOf(tok, "{", bracket);
    S fName = assertIdentifier(tok.get(bracket-2));
    S type = joinSubList(tok, i+4, bracket-3);
    S boxedType = tok_toNonPrimitiveTypes(type);
    LS args = map tok_lastIdentifier(tok_parseArgsDeclList(tokF));

    replaceTokens(tok, i, bracket-1, "static O _override_\*fName*/;\n"
      + "static \*type*/ \*fName*/");
    
    tokAppend(codeStart, " if (_override_\*fName*/ != null) ret callF(_override_\*fName*/, \*args*/);\n");
    reTok(tok, i, codeStart+1);
    addToCollection(complicatedFunctions_out, fname);
  }
}