add type annotations for 'docutils.parsers.rst.directives.admonitions' (#12396)

stubs/docutils/docutils/parsers/rst/directives/admonitions.pyi

@@ -1,3 +1,16 @@
-from _typeshed import Incomplete
+from docutils import nodes
+from docutils.parsers.rst import Directive
 
-def __getattr__(name: str) -> Incomplete: ...
+class BaseAdmonition(Directive):
+    node_class: type[nodes.Admonition]  # Subclasses must set this to the appropriate admonition node class.
+
+class Admonition(BaseAdmonition): ...
+class Attention(BaseAdmonition): ...
+class Caution(BaseAdmonition): ...
+class Danger(BaseAdmonition): ...
+class Error(BaseAdmonition): ...
+class Hint(BaseAdmonition): ...
+class Important(BaseAdmonition): ...
+class Note(BaseAdmonition): ...
+class Tip(BaseAdmonition): ...
+class Warning(BaseAdmonition): ...