class_docstr: Represents a qualified name.
docstr: Returns all the symbols (simple or composite) that own this QN.
  
  In other words, if this symbol was modified, the symbols in the owner set
  may also be affected.
  
  Examples:
    'a.b[c.d]' has two owners, 'a' and 'a.b'
code: def owner_set(self):
      """Returns all the symbols (simple or composite) that own this QN.
  
      In other words, if this symbol was modified, the symbols in the owner set
      may also be affected.
  
      Examples:
        'a.b[c.d]' has two owners, 'a' and 'a.b'
      """
      owners = set()
      if self.has_attr() or self.has_subscript():
          owners.add(self.parent)
          owners.update(self.parent.owner_set)
      return owners
  
imports: import collections
  import gast
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import parser
label_desc: Use image node_id 9 for calling the QN obj's underlying member method code with example usage: obj.owner_set() and returns: owners