// TODO: more cases
sS tok_typeArgs_declToInvocation(S typeArgs) {
  LS tok = javaTok(typeArgs);
  int i;
  while ((i = jfind(tok, "extends <id>")) >= 0) {
    int j = tok_endOfType(tok, i+2);
    clearTokens(tok, i, j);
  }
  ret join(tok);
}