@Override public C.Set<T> sequential() { unsetFeature(C.Feature.PARALLEL); return this; }
@Override public C.Set<T> eager() { unsetFeature(C.Feature.LAZY); return this; }
@Override public C.Set<T> sequential() { unsetFeature(C.Feature.PARALLEL); return this; }
@Override public C.Set<T> eager() { unsetFeature(C.Feature.LAZY); return this; }