public static boolean import_alias(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "import_alias")) return false;
    if (!nextTokenIs(b, KW_AS)) return false;
    boolean r, p;
    Marker m = enter_section_(b, l, _NONE_, IMPORT_ALIAS, null);
    r = consumeToken(b, KW_AS);
    p = r; // pin = 1
    r = r && report_error_(b, mb_nl(b, l + 1));
    r = p && consumeToken(b, IDENTIFIER) && r;
    exit_section_(b, l, m, r, p, null);
    return r || p;
  }
public static boolean import_alias(PsiBuilder b, int l)