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diff --git a/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/mapping/NavigatorContentExtension.java b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/mapping/NavigatorContentExtension.java
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+++ b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/mapping/NavigatorContentExtension.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.team.internal.ui.mapping;
+
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.team.internal.ui.dialogs.ResourceMappingLabelProvider;
+import org.eclipse.team.ui.mapping.ITeamViewerContext;
+
+/**
+ * Placeholder for Common Navigator extension
+ * 
+ * <p>
+ * <strong>EXPERIMENTAL</strong>. This class or interface has been added as
+ * part of a work in progress. There is a guarantee neither that this API will
+ * work nor that it will remain the same. Please do not use this API without
+ * consulting with the Platform/Team team.
+ * </p>
+ * 
+ * since 3.2
+ * 
+ */
+public abstract class NavigatorContentExtension {
+
+	private static final ResourceMappingLabelProvider RESOURCE_MAPPING_LABEL_PROVIDER = new ResourceMappingLabelProvider();
+	private final ITeamViewerContext context;
+	
+	public NavigatorContentExtension(ITeamViewerContext context) {
+		this.context = context;
+	}
+	
+	/**
+	 * Returns a content provider that can be used to display the provided
+	 * mappings in an element hierarchy that is consistent with the model. The
+	 * resulting hierarchy may contain additional elements as long as they are
+	 * for organizational purposes only. Any additional elements must not
+	 * include additional resources (i.e. <code>IResource</code>) in the
+	 * resource mappings contained in the view.
+	 * 
+	 * @return a content provider that will arrange the provided mappings into a
+	 *         hierarchy.
+	 */
+	public abstract IResourceMappingContentProvider getContentProvider();
+
+	/**
+	 * Return a label provider that can be used to provide labels for any
+	 * resource mappings that adapt to this factory and any model objects that
+	 * appear in the tree created by the
+	 * <code>IResourceMappingContentProvider</code> returned from the
+	 * <code>createContentProvider</code>. method.
+	 * 
+	 * @return a label provider
+	 */
+	public ILabelProvider getLabelProvider() {
+		return RESOURCE_MAPPING_LABEL_PROVIDER;
+	}
+
+	public ITeamViewerContext getContext() {
+		return context;
+	}
+
+	public void dispose() {
+		// TODO Auto-generated method stub
+	}
+}