add overloads

Author: chrisjsewell

markdown_it/main.py

@@ -2,7 +2,7 @@
 
 from collections.abc import Callable, Generator, Iterable, Mapping, MutableMapping
 from contextlib import contextmanager
-from typing import Any
+from typing import Any, Literal, overload
 
 from . import helpers, presets  # noqa F401
 from .common import normalize_url, utils  # noqa F401
@@ -67,6 +67,26 @@ def __init__(
     def __repr__(self) -> str:
         return f"{self.__class__.__module__}.{self.__class__.__name__}()"
 
+    @overload
+    def __getitem__(self, name: Literal["inline"]) -> ParserInline:
+        ...
+
+    @overload
+    def __getitem__(self, name: Literal["block"]) -> ParserBlock:
+        ...
+
+    @overload
+    def __getitem__(self, name: Literal["core"]) -> ParserCore:
+        ...
+
+    @overload
+    def __getitem__(self, name: Literal["renderer"]) -> RendererProtocol:
+        ...
+
+    @overload
+    def __getitem__(self, name: str) -> Any:
+        ...
+
     def __getitem__(self, name: str) -> Any:
         return {
             "inline": self.inline,