Factory class to create instances of SummaryInformation , DocumentSummaryInformation and PropertySet .
Creates the most specific PropertySet from an InputStream .
Creates the most specific PropertySet from an InputStream . This is preferrably a DocumentSummaryInformation or a SummaryInformation . If the specified InputStream does not contain a property set stream, an exception is thrown and the InputStream is repositioned at its beginning.
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Creates a new document summary information.
Creates a new summary information.