sbool tok_staticFunctionAlwaysReturnsVoid(L<S> tok, S name) {
  Set<S> types = tok_returnTypesOfStaticFunction_uncleaned(tok, name);
  if (empty(types)) false;
  for (S type : types)
    if (!containsOneOf(javaTokC(type), javaxVoidAliases())) false;
  true;
}