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- /* ====================================================================
- 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.util;
- /**
- * Implementors of this interface allow client code to 'delay' writing to a certain section of a
- * data output stream.<br>
- * A typical application is for writing BIFF records when the size is not known until well after
- * the header has been written. The client code can call {@link #createDelayedOutput(int)}
- * to reserve two bytes of the output for the 'ushort size' header field. The delayed output can
- * be written at any stage.
- */
- public interface DelayableLittleEndianOutput extends LittleEndianOutput {
- /**
- * Creates an output stream intended for outputting a sequence of {@code size} bytes.
- */
- LittleEndianOutput createDelayedOutput(int size);
- }
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