@Override
                public void close() throws IOException {
                    oldStream.close();
                }
@param maxBytes if this is less than 0 and if an underlying file doesn't already exist,
                the full file will be spooled to disk
@return the original path used in the initialization of this TikaInputStream,
a temporary file if the stream was shorter than <code>maxBytes</code>, or <code>null</code>
if the underlying stream was longer than maxBytes.
@throws IOException
tika-core/src/main/java/org/apache/tika/io/TikaInputStream.java