# SPDX-License-Identifier: MIT # Copyright (c) 2020 The Pybricks Authors from typing import Collection, Optional, Tuple class Matrix: def __init__(self, rows: Collection[int]): ... @property def T(self) -> Matrix: ... @property def shape(self) -> Tuple[int, int]: ... def vector(x: float, y: float, z: Optional[float] = None) -> Matrix: ... class Axis: X: Matrix Y: Matrix Z: Matrix