+class AQid
+ super AQid
+ var n_qualified: nullable AQualified = null is writable
+ var n_id: TId is writable, noinit
+end
+class AQclassid
+ super AQclassid
+ var n_qualified: nullable AQualified = null is writable
+ var n_id: TClassid is writable, noinit
+end