PTAnnotationOutputFlag

enum PTAnnotationOutputFlag {
e_ptinternal_xfdf,				// include the annotation file in the XOD output. This is the default option
e_ptexternal_xfdf,				// output the annotation file externally to the same output path with extension .xfdf.
// This is not available when using streaming conversion
/// flatten all annotations that are not link annotations
e_ptflatten
}