LinkDitch/4-Abstraction/src/main/java/datastructures/set/CustomSet.java

package datastructures.set;

import java.util.Optional;
import java.util.Set;
import java.util.function.Predicate;
import java.util.stream.Stream;

public interface CustomSet<T> {

	Stream<T> stream();

	boolean add(T value);

	boolean remove(T value);

	Optional<T> find(Predicate<T> predicate);

	Set<T> getSet();
}