class TKwnull
special Token
end
+class TKwas
+special Token
+end
class TOpar
special Token
end
special PExpr
readable writable attr _n_expr: PExpr
end
+class AAsCastExpr
+special PExpr
+ readable writable attr _n_expr: PExpr
+ readable writable attr _n_kwas: TKwas
+ readable writable attr _n_type: PType
+end
class APlusAssignOp
special PAssignOp
readable writable attr _n_pluseq: TPluseq