Fatal error: Could not check compatibility between class@anonymous::x(y $arg) and A::x(x $arg), because class x is not available in /in/FmllU on line 14
Stack trace:
#0 {main}
Process exited with code 255.
Fatal error: Could not check compatibility between class@anonymous::x(x $arg) and B::x(y $arg), because class y is not available in /in/FmllU on line 20
Process exited with code 255.