static LS tok_allArgsInCallsToFunction(final LS tok, S functionName) {
  ret tok_allArgsInCallsToFunction(tok, functionName, getBracketMap(tok));
}

static LS tok_allArgsInCallsToFunction(final LS tok, S functionName, final Map<Int> bracketMap) {
  ret map(tok_findCallsToFunction(tok, functionName), func(int i) -> S {
    joinSubList(tok, tok_findArgs(tok, i, bracketMap))
  });
}