return resolving(displayName, ProviderResolutionStrategy.REQUIRE_PRESENT, sources);
    }

    @Override
    public FileCollectionInternal resolvingLeniently(String displayName, Object sources) {
        return resolving(displayName, ProviderResolutionStrategy.ALLOW_ABSENT, sources);
    }

        ' in Callable' | { -> Providers.notDefined() }
    }

    def 'ignores absent Provider#description when resolving leniently'() {
        def collection = factory.resolvingLeniently(provider)

        expect:
        collection.files.empty

        where:
        description    | provider
        ''             | Providers.notDefined()