static boolean code_reference_identifiers_soft(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "code_reference_identifiers_soft")) return false;
    boolean r;
    r = consumeTokenFast(b, KW_DEF);
    if (!r) r = consumeTokenFast(b, KW_AS);
    if (!r) r = consumeTokenFast(b, KW_IN);
    if (!r) r = consumeTokenFast(b, KW_TRAIT);
    if (!r) r = consumeTokenFast(b, KW_VAR);
    return r;
  }
static boolean code_reference_identifiers_soft(PsiBuilder b, int l)