## Summary Extends https://github.com/astral-sh/ruff/pull/20517 to support the implicit type of `cls` in `@classmethod` signatures. Part of https://github.com/astral-sh/ty/issues/159.
Markdown files within the mdtest/ subdirectory are tests of type inference and type checking;
executed by the tests/mdtest.rs integration test.
See crates/ty_test/README.md for documentation of this test format.