BUG 54771: add class to svn

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1602960 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/xwpf/usermodel/ISDTContent.java

@@ -0,0 +1,35 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+package org.apache.poi.xwpf.usermodel;
+
+
+/**
+ * Experimental interface to offer rudimentary read-only processing of 
+ *  of the contentblock of an SDT/ContentControl.
+ *  
+ *
+ *
+ * WARNING - APIs expected to change rapidly
+ * 
+ */
+public interface ISDTContent  {
+
+    public String getText();
+
+    public String toString();
+    
+}