'Creates a key vault storage account sas definition id.  If uri is specified the id properties are parsed from the uri, otherwise
builds the id from the specified vault, account_name, and sas_definition.
:param uri:  The uri of the key vault storage account sas definition
:param vault: The vault uri
:param account_name: The storage account name
:param sas_definition: The sas definition name'

def __init__(self, uri=None, vault=None, account_name=None, sas_definition=None):

    super(StorageSasDefinitionId, self).__init__(uri=uri, collection='storage', vault=vault, account_name=account_name, sas_definition=sas_definition)
