ClassSpec : B
declared at line 1 in <input>
Namespace : M
declared at line 2 in <input>
Namespace : N
declared at line 4 in <input>
ClassSpec : X
declared at line 6 in <input>
Identifier : B
declared at line 1 in <input>
Declarator : f
declared at line 15 in <input>
Declarator : i
declared at line 13 in <input>
Declarator : M::N::X::f
declared at line 15 in <input>
Identifier : i
declared at line 13 in <input>
