--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package net.sourceforge.phpdt.internal.ui.text.spelling.engine;
+
+/**
+ * Interface of algorithms to compute the phonetic distance between two words.
+ *
+ * @since 3.0
+ */
+public interface IPhoneticDistanceAlgorithm {
+
+ /**
+ * Returns the non-negative phonetic distance between two words
+ *
+ * @param from
+ * The first word
+ * @param to
+ * The second word
+ * @return The non-negative phonetic distance between the words.
+ */
+ public int getDistance(String from, String to);
+}