def domain_id():
"""
Return the instance identifier.
"""
_check()
return _ec.domain_id()
def domain_id():
"""
Return the instance identifier.
"""
_check()
return _ec.domain_id()
def domain_id():
"""
Return the instance identifier.
"""
_check()
return _ec.domain_id()
def domain_id():
"""
Return the instance identifier.
"""
_check()
return _ec.domain_id()