def METHOD_NAME(authorization_rule_name: Optional[pulumi.Input[str]] = None,
                               namespace_name: Optional[pulumi.Input[str]] = None,
                               resource_group_name: Optional[pulumi.Input[str]] = None,
                               opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[ListNamespaceKeysResult]:
    """
    Primary and secondary connection strings to the namespace.
    Azure REST API version: 2021-11-01.
    :param str authorization_rule_name: The authorization rule name.
    :param str namespace_name: The namespace name
    :param str resource_group_name: Name of the Resource group within the Azure subscription.
    """
    ...