package

package api {

    public open class Base {
        public constructor Base()
        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
        @api.E public open fun foo(): kotlin.Unit
        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
    }

    @kotlin.RequiresOptIn public final annotation class E : kotlin.Annotation {
        public constructor E()
        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
    }
}

package usage {
    public fun test(/*0*/ b: api.Base): kotlin.Unit

    public final class Derived : api.Base {
        public constructor Derived()
        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
        public open override /*1*/ fun foo(): kotlin.Unit
        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
    }
}