The framework will set this property as part of initialization of the file type component. File type components use this interface to report any non-critical issues to the framework. (Critical issues are reported by throwing a FileTypeSupportException or a derived type.)

The framework sets this property before the first call to ParseNext in order to specify the component that will process the output from the parser. The parser implementation should send the whole output to this object.

The framework will set this property as part of the initialization of the file type component. File type components should use this factory to create the property objects that are used when outputting to the INativeExtractionContentHandler.