code: def find_common_elements(*arrays: np.array) -> np.array:
      """
      Intersects all of the ndarrays in ``arrays`` and returns their common elements
  
      :param arrays: tuple of ndarrays to be intersected
  
      :return: ndarray of unique elements common to all the provided ``arrays``
          or empty ndarray if none of them intersects
      """
      common_elements = reduce(np.intersect1d, arrays[1:], arrays[0])
      return common_elements
  
imports: from functools import reduce
  from typing import Optional
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: find_common_elements() and returns: common_elements