Status: IN
The module-level alias pattern (e.g., `sort_integers_by_the_number_of_1_bits = Solution().sortByBits`) creates a `Solution()` instance at import time and binds its method, providing a uniform snake_case entry point for the test harness.
Source: entries/2026/06/06/sort-integers-by-the-number-of-1-bits-solution.md