}

        final File tempFile;
        final boolean isByteStream = inputStream instanceof ByteArrayInputStream;
        if (isByteStream) {
            inputStream.mark(0); // ByteArrayInputStream
            tempFile = null;
        } else {
            tempFile = createTempFile("tikaExtractor-", ".out", null);
        }

        try {

        // Test escaping asterisk
        String query1 = "test*query";
        String escaped1 = SuggestUtil.escapeWildcardQuery(query1);
        assertEquals("test\\*query", escaped1);

        // Test escaping question mark
        String query2 = "test?query";
        String escaped2 = SuggestUtil.escapeWildcardQuery(query2);
        assertEquals("test\\?query", escaped2);

        // Test escaping both

    <tika:uti>com.adobe.pdf</tika:uti>
    <magic priority="50">
      <!-- Normally just %PDF- -->
      <match value="%PDF-" type="string" offset="0"/>
      <!-- Sometimes has a UTF-8 Byte Order Mark first -->
      <match value="\xef\xbb\xbf%PDF-" type="string" offset="0"/>
    </magic>
    <magic priority="40">
      <!-- Higher priority than matlab's priority=20 %% match