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diff --git a/plugins/facet/org.eclipse.papyrus.emf.facet.custom.core/src/org/eclipse/emf/facet/custom/core/ICustomizationManager.java b/plugins/facet/org.eclipse.papyrus.emf.facet.custom.core/src/org/eclipse/emf/facet/custom/core/ICustomizationManager.java
new file mode 100644
index 00000000000..5d94e0095df
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+++ b/plugins/facet/org.eclipse.papyrus.emf.facet.custom.core/src/org/eclipse/emf/facet/custom/core/ICustomizationManager.java
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+/**
+ *  Copyright (c) 2011 Mia-Software.
+ *  
+ *  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:
+ *  	Gregoire Dupe (Mia-Software) - Bug 361794 - [Restructuring] New customization meta-model
+ *      Gregoire Dupe (Mia-Software) - Bug 369987 - [Restructuring][Table] Switch to the new customization and facet framework
+ *      Gregoire Dupe (Mia-Software) - Bug 373078 - API Cleaning
+ */
+package org.eclipse.emf.facet.custom.core;
+
+import java.util.List;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.ETypedElement;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.facet.custom.core.exception.CustomizationException;
+import org.eclipse.emf.facet.custom.metamodel.v0_2_0.custom.Customization;
+import org.eclipse.emf.facet.efacet.core.IFacetManager;
+import org.eclipse.emf.facet.efacet.metamodel.v0_2_0.efacet.FacetOperation;
+
+/**
+ * This interface allows to access the customization manager. A customization
+ * manager will compute the customization property depending on the loaded
+ * customizations. Be careful, the load order has an impact on the customization
+ * property value. Customizations are loaded in a stack. If there is a conflict
+ * between two customizations, the higher customization (the nearest from the
+ * top of the stack) gets the priority.
+ * 
+ * @author Gregoire Dupe
+ * @since 0.2
+ * @noextend This interface is not intended to be extended by clients.
+ * @noimplement This interface is not intended to be implemented by clients.
+ */
+public interface ICustomizationManager {
+	
+	/**
+	 * This method is used to get the customization stack. The top
+	 * customization in the stack will be the first in the list.
+	 * 
+	 * @return a mutable list of customizations
+	 */
+	List<Customization> getManagedCustomizations();
+
+	/**
+	 * This method is used to get the value of a customization property for a
+	 * chosen eObject.
+	 * 
+	 * @param eObject
+	 * @param customProperty
+	 * @param classs
+	 *            the expected result type
+	 * @return a value having a type depending a the customizationProperty type.
+	 *         (Can be null.)
+	 */
+	<T> T getCustomValueOf(EObject eObject,
+			FacetOperation customProperty, Class<T> classs)
+			throws CustomizationException;
+
+	/**
+	 * This method is used to get the value of a customization property for a
+	 * chosen eObject and a chosen eStructuralFeature.
+	 * 
+	 * @param eObject
+	 * @param structuralFeature
+	 *            must not be null
+	 * @param customProperty
+	 *            must not be null
+	 * @param classs
+	 *            the expected result type
+	 * @return a value having a type depending a the customizationProperty type.
+	 *         (Can be null.)
+	 */
+	<T> T getCustomValueOf(EObject eObject,
+			ETypedElement structuralFeature,
+			FacetOperation customProperty, Class<T> classs)
+			throws CustomizationException;
+
+	/**
+	 * This method returns the resourceSet used to manage the customization
+	 * models.
+	 */
+	ResourceSet getResourceSet();
+
+	IFacetManager getFacetManager();
+
+}