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package org.apache.lucene.search.spell;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* Interface for string distances.
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public interface StringDistance {
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* Returns a float between 0 and 1 based on how similar the specified strings are to one another.
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* Returning a value of 1 means the specified strings are identical and 0 means the
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* string are maximally different.
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* @param s1 The first string.
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* @param s2 The second string.
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* @return a float between 0 and 1 based on how similar the specified strings are to one another.
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public float getDistance(String s1,String s2);