def METHOD_NAME():
    assert dict_to_snake_case(None) is None
    assert dict_to_snake_case({}) == {}
    assert dict_to_snake_case({'name': 'Areeb', 'age': 432}) == {
        'name': 'Areeb',
        'age': 432,
    }
    assert dict_to_snake_case({'is_admin': True, 'full_name': 'Areeb Jamal'}) == {
        'is_admin': True,
        'full_name': 'Areeb Jamal',
    }
    expected = {'is_admin': True, 'full_name': 'Areeb Jamal', 'age': 432}
    assert (
        dict_to_snake_case({'is-admin': True, 'full-name': 'Areeb Jamal', 'age': 432})
        == expected
    )
    assert (
        dict_to_snake_case({'isAdmin': True, 'fullName': 'Areeb Jamal', 'age': 432})
        == expected
    )
    assert dict_to_snake_case(
        {
            'name': 'Areeb',
            'isSuperAdmin': True,
            'job-title': 'Software Engineer',
            'field_level': 'Super',
        }
    ) == {
        'name': 'Areeb',
        'is_super_admin': True,
        'job_title': 'Software Engineer',
        'field_level': 'Super',
    }
    assert dict_to_snake_case(
        {'is-superAdmin': True, 'isMega_level-event': True, 'isSuper_admin': False}
    ) == {'is_super_admin': False, 'is_mega_level_event': True}