New Feature: Updated implementation of reportPrivateUsage check to differentiate between protected class members (single underscore) and private class members (double underscore).
Bug Fix: Untyped function or class decorator was not fully evaluated, so arguments passed to the decorator were not marked as accessed.
Bug Fix: Slice operator should accept None as argument.
Bug Fix: Add missing declared type for "self" or "cls" parameters in methods so the hover provider reports the correct inferred type.