def METHOD_NAME(monitor_name: Optional[pulumi.Input[str]] = None,
                                   resource_group_name: Optional[pulumi.Input[str]] = None,
                                   opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetMonitorDefaultKeyResult]:
    """
    Use this data source to access information about an existing resource.
    :param str monitor_name: Monitor resource name
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    """
    ...