public static int packModifierList(@NotNull LighterAST tree, @NotNull LighterASTNode modList) {
    int packed = 0;
    for (final LighterASTNode child : tree.getChildren(modList)) {
      packed |= ModifierFlags.KEYWORD_TO_MODIFIER_FLAG_MAP.getInt(child.getTokenType());
    }
    return packed;
  }
public static int packModifierList(@NotNull LighterAST tree, @NotNull LighterASTNode modList)