foreign_type_visibility.m:018: Error: abstract declaration for type `foreign'/0
foreign_type_visibility.m:018:   has no corresponding definition.
foreign_type_visibility.m:022: Error: since the Mercury declaration of
foreign_type_visibility.m:022:   `foreign'/0 is in the implementation section,
foreign_type_visibility.m:022:   any foreign type definition for it must be in
foreign_type_visibility.m:022:   the implementation section as well.
foreign_type_visibility.m:018:   That Mercury declaration is here.
foreign_type_visibility.m:033: Error: since some foreign language definition of
foreign_type_visibility.m:033:   `foreign2'/0 is in the interface section, all
foreign_type_visibility.m:033:   other foreign language definitions for it must
foreign_type_visibility.m:033:   be in the interface section as well.
foreign_type_visibility.m:026:   That foreign definition in the interface is
foreign_type_visibility.m:026:   here.
foreign_type_visibility.m:035: Error: since the Mercury definition of
foreign_type_visibility.m:035:   `foreign3'/0 is in the interface section, any
foreign_type_visibility.m:035:   foreign type definition for it must be in the
foreign_type_visibility.m:035:   interface section as well.
foreign_type_visibility.m:028:   That Mercury definition is here.