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Refactoring. Refactoring handle value method in ArrayNormalizer.
Refactoring. Add blank lines after classes and edit @throws in some phpdocs.
Refactoring.
Refactoring.
Refactoring. Handler interface. Process dividing by normalization and denormalization.
Refactoring. Tests for handlers.
Refactoring. Refactoring handler tests.
Refactor. Move inner object detection from inner object handler to handler processor.