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diff --git a/tags/java-M1-20060522/java/spec/sdo/src/main/java/commonj/sdo/helper/CopyHelper.java b/tags/java-M1-20060522/java/spec/sdo/src/main/java/commonj/sdo/helper/CopyHelper.java
deleted file mode 100644
index f0bf98aada..0000000000
--- a/tags/java-M1-20060522/java/spec/sdo/src/main/java/commonj/sdo/helper/CopyHelper.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/**
- * <copyright>
- *
- * Service Data Objects
- * Version 2.0
- * Licensed Materials - Property of BEA and IBM
- *
- * (c) Copyright BEA Systems, Inc. and International Business Machines Corp 2005.  All rights reserved.
- *
- * </copyright>
- * 
- */
-
-package commonj.sdo.helper;
-
-import commonj.sdo.DataObject;
-import commonj.sdo.impl.HelperProvider;
-
-/**
- * A helper for copying DataObjects.
- */
-public interface CopyHelper
-{
-    /**
-     * Create a shallow copy of the DataObject dataObject:
-     *   Creates a new DataObject copiedDataObject with the same values
-     *     as the source dataObject for each property where
-     *       property.getType().isDataType() is true.
-     *   The value of such a Property property in copiedDataObject is: 
-     *       dataObject.get(property) for single-valued Properties 
-     *       (copiedDataObject.get(property) equals() dataObject.get(property)), or 
-     *       a List where each member is equal to the member at the 
-     *       same index in dataObject for multi-valued Properties
-     *        copiedDataObject.getList(property).get(i) equals() dataObject.getList(property).get(i)
-     *   The copied Object is unset for each Property where
-     *       property.getType().isDataType() is false
-     *       since they are not copied.
-     *   Read-only properties are copied.
-     *   A copied object shares metadata with the source object
-     *     sourceDO.getType() == copiedDO.getType()
-     *   If a ChangeSummary is part of the source DataObject
-     *     the copy has a new, empty ChangeSummary.
-     *     Logging state is the same as the source ChangeSummary.
-     * 
-     * @param dataObject to be copied
-     * @return copy of dataObject 
-     */
-    DataObject copyShallow(DataObject dataObject);
-    
-    /**
-     * Create a deep copy of the DataObject tree:
-     *   Copies the dataObject and all its {@link commonj.sdo.Property#isContainment() contained}
-     *     DataObjects recursively.
-     *   Values of Properties are copied as in shallow copy,
-     *     and values of Properties where 
-     *       property.getType().isDataType() is false
-     *     are copied where each value copied must be a
-     *       DataObject contained by the source dataObject.
-     *     If a DataObject is outside the DataObject tree and the
-     *       property is bidirectional, then the DataObject is skipped.
-     *     If a DataObject is outside the DataObject tree and the
-     *       property is unidirectional, then the same DataObject is referenced.
-     *   Read-only properties are copied.
-     *   If any DataObject referenced is not in the containment
-     *     tree an IllegalArgumentException is thrown.
-     *   If a ChangeSummary is part of the copy tree the new 
-     *     ChangeSummary refers to objects in the new DataObject tree.
-     *     Logging state is the same as the source ChangeSummary.
-     * 
-     * @param dataObject to be copied.
-     * @return copy of dataObject
-     * @throws IllegalArgumentException if any referenced DataObject
-     *   is not part of the containment tree.
-     */
-    DataObject copy(DataObject dataObject);
-
-    /**
-     * The default CopyHelper.
-     */
-    CopyHelper INSTANCE = HelperProvider.getCopyHelper();
-
-}