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Doctrine2 AnnotationZF2InputFilters extends Doctrine2 Annotation.
Doctrine2 AnnotationZF2InputFilters extends Doctrine2 Annotation.

Doctrine2 AnnotationZF2InputFilters is copied from Doctrine2 Annotation, and most of the code is unchanged.
If Doctrine2 Annotation has debugged issues, there will be no need to also debug Doctrine 2 AnnotationZF2InputFilter is most cases.