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Copyright (c) 2010 itemis AG ( 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 /
 package org.eclipse.xtext.ui.editor.quickfix;
import  org.apache.commons.lang.StringUtils;

Jan Koehnlein - Initial contribution and API
public interface ISimilarityMatcher {
	public boolean isSimilar(String s0String s1);
	public static class Default implements ISimilarityMatcher {
		public boolean isSimilar(String s0String s1) {
			if(Strings.isEmpty(s0) || Strings.isEmpty(s1)) {
				return false;
			double levenshteinDistance = StringUtils.getLevenshteinDistance(s0s1);
			return levenshteinDistance <= 1;
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