def __init__(self,
              description,
              active=None,
              based_on=None,
              evaluate=None,
              driving_event=None,
              notification_frequency=None,
              snmp_trap=None,
              emails=None,
              timeline_event=None,
              mgmt_event=None,
              appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.description = description
     self.active = active
     self.based_on = based_on
     if evaluate is not None:
         raise NotImplementedError
     self.driving_event = driving_event
     self.notification_frequency = notification_frequency
     self.snmp_trap = snmp_trap
     if emails is not None:
         raise NotImplementedError
     self.timeline_event = timeline_event
     self.mgmt_event = mgmt_event

 def __init__(self, title, description=None, active=None, shortcuts=None, visibility=None, appliance=None):
     Navigatable.__init__(self, appliance)
     self.title = title
     self.description = description
     self.active = active
     self.shortcuts = shortcuts
     self.visibility = visibility

 def __init__(self, description=None, scope=None, days=None, hours=None, timezone=None, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.description = description
     self.scope = scope
     self.days = days
     self.hours = hours
     self.timezone = timezone

 def __init__(self, catalog=None, name=None, stack_data=None,
              dialog_values=None, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.catalog = catalog
     self.name = name
     self.stack_data = stack_data
     self.dialog_values = dialog_values

 def __init__(self, name, provider, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     if not isinstance(provider, OpenstackInfraProvider):
         raise NotImplementedError('Deployment roles available only '
                                   'for Openstack provider')
     self.name = name
     self.provider = provider

 def __init__(self, name, provider, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.name = name
     # TODO add storage provider parameter, needed for accurate details nav
     # the storage providers have different names then cloud providers
     # https://bugzilla.redhat.com/show_bug.cgi?id=1455270
     self.provider = provider

 def __init__(self, name=None, description=None, parent_tenant=None, _default=False,
              appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.name = name
     self.description = description
     self.parent_tenant = parent_tenant
     self._default = _default

 def __init__(self, name, credential_type, collection=None, appliance=None, **credentials):
     self.collection = collection or CredentialsCollection(appliance=appliance)
     Navigatable.__init__(self, appliance=self.collection.appliance)
     self.name = name
     self.credential_type = credential_type
     for key, value in credentials.iteritems():
         setattr(self, key, value)

 def __init__(self, name, provider, collection=None, appliance=None):
     self.name = name
     self.provider = provider
     if not collection:
         collection = NodeCollection(appliance=appliance)
     self.collection = collection
     Navigatable.__init__(self, appliance=appliance)

 def __init__(self, name, group, title=None, locked=None, widgets=None, appliance=None):
     Navigatable.__init__(self, appliance)
     self.name = name
     self.title = title
     self.locked = locked
     self.widgets = widgets
     self._group = group

 def __init__(self, name=None, url=None, ssl=None, credentials=None, key=None, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.name = name
     self.url = url
     self.ssl = ssl
     self.credentials = credentials
     self.key = key or name

 def __init__(self, url=None, username=None, password=None, verify_ssl=None, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.url = url
     self.username = username
     self.password = password
     self.verify_ssl = verify_ssl
     self.domain = None

 def __init__(self, name=None, display_name=None, description=None, values=None, cls=None, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.name = name
     self.description = description
     self.values = values
     self.display_name = display_name
     self.cls = cls

 def __init__(self, path_to_report, datetime, candu=False, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.path = path_to_report
     self.datetime = datetime
     self.candu = candu
     self.datetime_in_tree = version.pick({"5.6": self.datetime,
                     "5.7": parsetime.from_american_with_utc(self.datetime).to_iso_with_utc()})

 def __init__(self, appliance, zone=None, name="EVM", sid=1):
     Navigatable.__init__(self, appliance=appliance)
     self.zone = zone or appliance.server.zone
     self.name = name
     self.sid = sid
     self.zone.servers.add(self)
     self.parent = self.appliance.context

 def __init__(self, name, provider, template_name=None, appliance=None):
     super(BaseVM, self).__init__()
     Navigatable.__init__(self, appliance=appliance)
     if type(self) in {BaseVM, VM, Template}:
         raise NotImplementedError('This class cannot be instantiated.')
     self.name = name
     self.provider = provider
     self.template_name = template_name

 def __init__(self, description=None, role=None, tenant="My Company", user_to_lookup=None,
         ldap_credentials=None, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.description = description
     self.role = role
     self.tenant = tenant
     self.ldap_credentials = ldap_credentials
     self.user_to_lookup = user_to_lookup

 def __init__(self, assign_to=None,
              tag_category=None,
              selections=None,
              appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     self.assign_to = assign_to
     self.tag_category = tag_category
     self.selections = selections

 def __init__(self, name=None, credentials=None, zone=None, key=None, appliance=None):
     Navigatable.__init__(self, appliance=appliance)
     if not credentials:
         credentials = {}
     self.name = name
     self.credentials = credentials
     self.zone = zone
     self.key = key

 def __init__(self, template_type=None, template_name=None, description=None,
              draft=None, content=None, appliance=None):
     Navigatable.__init__(self, appliance)
     self.template_type = template_type
     self.template_name = template_name
     self.description = description
     self.draft = draft
     self.content = content