code: def make_domain():
      """Create a multiple ROI instance"""
      labels = np.ones(shape)
      dom = domain_from_binary_array(labels, affine=None)
      return dom
  
imports: import numpy
  from numpy.testing import assert_array_equal
  from ..discrete_domain import domain_from_binary_array
  from ..hroi import HROI_as_discrete_domain_blobs, make_hroi_from_subdomain
  from ..mroi import subdomain_from_array
label_desc: Use image node_id 1 for calling a global function with example usage: make_domain() and returns: dom