def METHOD_NAME(cls, lon_sides, lat_sides):
    """Define AreaBoundary from list of lon_sides and lat_sides.
    For an area of shape (m, n), the sides must adhere the format:
    sides = [np.array([v00, v01, ..., v0n]),
             np.array([v0n, v1n, ..., vmn]),
             np.array([vmn, ..., vm1, vm0]),
             np.array([vm0, ... ,v10, v00])]
    """
    boundary = cls(*zip(lon_sides, lat_sides))
    return boundary