I am done

rl/Lib/site-packages/matplotlib/tri/_tricontour.pyi

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+from matplotlib.axes import Axes
+from matplotlib.contour import ContourSet
+from matplotlib.tri._triangulation import Triangulation
+
+from numpy.typing import ArrayLike
+from typing import overload
+
+# TODO: more explicit args/kwargs (for all things in this module)?
+
+class TriContourSet(ContourSet):
+    def __init__(self, ax: Axes, *args, **kwargs) -> None: ...
+
+@overload
+def tricontour(
+    ax: Axes,
+    triangulation: Triangulation,
+    z: ArrayLike,
+    levels: int | ArrayLike = ...,
+    **kwargs
+) -> TriContourSet: ...
+@overload
+def tricontour(
+    ax: Axes,
+    x: ArrayLike,
+    y: ArrayLike,
+    z: ArrayLike,
+    levels: int | ArrayLike = ...,
+    *,
+    triangles: ArrayLike = ...,
+    mask: ArrayLike = ...,
+    **kwargs
+) -> TriContourSet: ...
+@overload
+def tricontourf(
+    ax: Axes,
+    triangulation: Triangulation,
+    z: ArrayLike,
+    levels: int | ArrayLike = ...,
+    **kwargs
+) -> TriContourSet: ...
+@overload
+def tricontourf(
+    ax: Axes,
+    x: ArrayLike,
+    y: ArrayLike,
+    z: ArrayLike,
+    levels: int | ArrayLike = ...,
+    *,
+    triangles: ArrayLike = ...,
+    mask: ArrayLike = ...,
+    **kwargs
+) -> TriContourSet: ...