/*=============================================================================#
 # Copyright (c) 2017, 2020 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.jcommons.collections;

import java.util.Set;

import org.eclipse.statet.jcommons.lang.NonNull;
import org.eclipse.statet.jcommons.lang.NonNullByDefault;


@NonNullByDefault
public interface NonNullSet<E extends @NonNull Object> extends Set<E> {
	
	
	@Override
	boolean contains(@NonNull Object o);
	
	@Override
	boolean add(@NonNull E e);
	
	@Override
	boolean remove(@NonNull Object o);
	
	
	@Override
	@NonNull Object[] toArray();
	
	
}