return fileCollectionInternal("fileCollection(Dependency...)", deps::contains);
    }

    @Override
    @Deprecated
    public FileCollection fileCollection(Spec<? super Dependency> dependencySpec) {
        return fileCollectionInternal("fileCollection(Spec)", dependencySpec);
    }

    private FileCollection fileCollectionInternal(String methodName, Spec<? super Dependency> dependencySpec) {