 
 class ACurlyBracketAllowForwarding extends CurlyBracket
   @extend()
+  allowForwarding: true
 
 class InnerCurlyBracketAllowForwarding extends CurlyBracket
   @extend()
+  allowForwarding: true
 
 # -------------------------
 class SquareBracket extends Pair


class ASquareBracketAllowForwarding extends SquareBracket
  @extend()

class InnerSquareBracketAllowForwarding extends SquareBracket
  @extend()

# -------------------------
class Parenthesis extends Pair


class AParenthesisAllowForwarding extends Parenthesis
  @extend()
  allowForwarding: true

class InnerParenthesisAllowForwarding extends Parenthesis
  @extend()
  allowForwarding: true

# -------------------------
class AngleBracket extends Pair
