'Checks to see if the specified storage account name is available, or
if it has already been taken.
service_name:
Name of the storage service account.'

def check_storage_account_name_availability(self, service_name):

    _validate_not_none('service_name', service_name)
    return self._perform_get((((self._get_storage_service_path() + '/operations/isavailable/') + _str(service_name)) + ''), AvailabilityResponse)
