def METHOD_NAME(resource_group_name: Optional[pulumi.Input[str]] = None,
                                    sql_managed_instance_name: Optional[pulumi.Input[str]] = None,
                                    opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetSqlManagedInstanceResult]:
    """
    Retrieves a SQL Managed Instance resource
    :param str resource_group_name: The name of the Azure resource group
    :param str sql_managed_instance_name: Name of SQL Managed Instance
    """
    ...