diff -r 5ae3e5665a0b -r cc93757aeca3 src/net/fortuna/ical4j/model/IndexedPropertyList.java
--- a/src/net/fortuna/ical4j/model/IndexedPropertyList.java	Thu Feb 12 18:02:00 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,105 +0,0 @@
-/**
- * Copyright (c) 2012, Ben Fortuna
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *  o Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- *  o Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- *  o Neither the name of Ben Fortuna nor the names of any other contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package net.fortuna.ical4j.model;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-
-/**
- * $Id$
- *
- * Created on 4/02/2006
- *
- * Provides indexing of properties on a specific parameter.
- * @author Ben Fortuna
- */
-public class IndexedPropertyList {
-
-    private static final PropertyList EMPTY_LIST = new PropertyList();
-    
-    private Map index;
-    
-    /**
-     * Creates a new instance indexed on the parameters with the specified name.
-     * @param list a list of properties
-     * @param parameterName the name of parameters on which to index
-     */
-    public IndexedPropertyList(final PropertyList list, final String parameterName) {
-        final Map indexedProperties = new HashMap();
-        for (final Iterator i = list.iterator(); i.hasNext();) {
-            final Property property = (Property) i.next();
-            for (final Iterator j = property.getParameters(parameterName).iterator(); j.hasNext();) {
-                final Parameter parameter = (Parameter) j.next();
-                PropertyList properties = (PropertyList) indexedProperties.get(parameter.getValue());
-                if (properties == null) {
-                    properties = new PropertyList();
-                    indexedProperties.put(parameter.getValue(), properties);
-                }
-                properties.add(property);
-            }
-        }
-        this.index = Collections.unmodifiableMap(indexedProperties);
-    }
-    
-    /**
-     * Returns a list of properties containing a parameter with the
-     * specified value.
-     * @param paramValue the value of the parameter contained in the
-     * returned properties
-     * @return a property list
-     */
-    public PropertyList getProperties(final String paramValue) {
-        PropertyList properties = (PropertyList) index.get(paramValue);
-        if (properties == null) {
-            properties = EMPTY_LIST;
-        }
-        return properties;
-    }
-    
-    /**
-     * Returns the first property containing a parameter with the specified
-     * value.
-     * @param paramValue the value of the parameter identified in the returned
-     * property
-     * @return a property or null if no property is found containing a parameter
-     * with the specified value
-     */
-    public Property getProperty(final String paramValue) {
-        final PropertyList properties = getProperties(paramValue);
-        if (!properties.isEmpty()) {
-            return (Property) properties.iterator().next();
-        }
-        return null;
-    }
-}