def METHOD_NAME(authentication_name: Optional[pulumi.Input[str]] = None,
                                                             managed_instance_name: Optional[pulumi.Input[str]] = None,
                                                             resource_group_name: Optional[pulumi.Input[str]] = None,
                                                             opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetManagedInstanceAzureADOnlyAuthenticationResult]:
    """
    Gets a specific Azure Active Directory only authentication property.
    :param str authentication_name: The name of server azure active directory only authentication.
    :param str managed_instance_name: The name of the managed instance.
    :param str resource_group_name: The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
    """
    ...