type.addTypeArg(new TypeMetaData('Type1'))
        type.addTypeArg(new TypeMetaData('Type2'))

        expect:
        type.signature == 'org.gradle.SomeType<Type1, Type2>'
    }

    def formatsSignatureForWildcardType() {
        type.setWildcard()

        expect:
        type.signature == '?'
    }

    def formatsSignatureForWildcardWithUpperBound() {