/*
* Copyright (c) 2007, 2011, 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.internal.cdo.util;
import org.eclipse.emf.ecore.EPackage;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
/**
* @author Eike Stepper
*/
public interface IPackageClosure
{
public static final Set<EPackage> EMPTY_CLOSURE = Collections.emptySet();
public Set<EPackage> calculate(Collection<EPackage> ePackages);
}