<BUG>package org.eclipse.emf.index.impl.memory;
import java.util.Collection;</BUG>
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.ecore.EClass;

package org.eclipse.emf.index.impl.memory;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.ecore.EClass;
