ERROR: NonExistentClassConstant - input.hack:8:10 - Unknown class constant Foo::B1
ERROR: MixedAnyArgument - input.hack:8:10 - Argument 1 of echo expects ?scalar, any provided
ERROR: NonExistentClassConstant - input.hack:16:5 - Unknown class constant Foo::B3
ERROR: NonExistentClassConstant - input.hack:20:10 - Unknown class constant Foo::B4
ERROR: MixedAnyArgument - input.hack:20:10 - Argument 1 of echo expects ?scalar, any provided
ERROR: NonExistentMethod - input.hack:24:5 - Method Foo::b5 does not exist
ERROR: NonExistentMethod - input.hack:28:5 - Method Foo::b6 does not exist
ERROR: NonExistentProperty - input.hack:32:10 - Cannot access undefined property Foo::$b7
ERROR: MixedAnyArgument - input.hack:32:10 - Argument 1 of echo expects ?scalar, any provided
ERROR: NonExistentProperty - input.hack:36:10 - Cannot access undefined property Foo::$b8
ERROR: InvalidArgument - input.hack:36:10 - Argument 1 of echo expects ?scalar, different type Foo provided
ERROR: NonExistentProperty - input.hack:40:10 - Property Foo::$b9 is undefined
ERROR: NonExistentProperty - input.hack:44:9 - Undefined property Foo::$b10
