def METHOD_NAME(application_group_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[GetApplicationGroupResult]:
    """
    Gets an ApplicationGroup for a Namespace.
    Azure REST API version: 2022-10-01-preview.
    :param str application_group_name: The Application Group name 
    :param str namespace_name: The Namespace name
    :param str resource_group_name: Name of the resource group within the azure subscription.
    """
    ...