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diff --git a/offapi/com/sun/star/chart2/data/XDataSource.idl b/offapi/com/sun/star/chart2/data/XDataSource.idl
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef com_sun_star_chart2_data_XDataSource_idl
+#define com_sun_star_chart2_data_XDataSource_idl
+
+#include <com/sun/star/uno/XInterface.idl>
+
+#include <com/sun/star/chart2/data/XLabeledDataSequence.idl>
+
+module com
+{
+module sun
+{
+module star
+{
+module chart2
+{
+module data
+{
+
+
+/** provides access to sequences of data.  With this interface data
+    can only be read from.
+
+    <p>If the data stored consists only of floating point numbers (double
+    values), the returned instances should also support the service
+    <type>NumericalDataSequence</type>.</p>
+
+    <p>If the data stored consists only of strings, the returned
+    instances should also support the service
+    <type>TextualDataSequence</type>.</p>
+  */
+interface XDataSource  : ::com::sun::star::uno::XInterface
+// : ::com::sun::star::container::XIndexAccess
+{
+    /** returns data sequences.
+
+        @return a sequence of objects that support at least the
+                service <type>DataSequence</type>.
+
+        <p>If the data stored consist only of floating point numbers
+        (double values), the returned instances should also support
+        the service <type>NumericalDataSequence</type>.</p>
+
+        <p>If the data stored consist only of strings, the returned
+        instances should also support the service
+        <type>TextualDataSequence</type>.</p>
+     */
+    sequence< XLabeledDataSequence >  getDataSequences();
+};
+
+} ; // data
+} ; // chart2
+} ; // com
+} ; // sun
+} ; // star
+
+
+#endif