@Override public boolean retainAll(Collection<?> c) { return StandardImpls.CollectionImpl.retainAll(this, c); }
@Override public <T> T[] toArray(T[] a) { return StandardImpls.CollectionImpl.toArray(this, a); }
@Override public String toString() { return StandardImpls.CollectionImpl.toString(this); }
@Override public Object[] toArray() { return StandardImpls.CollectionImpl.toArray(this); }