Filter used in the request. Supported filter keys depend on the API operation that includes the filter. API operations that use MaintenanceWindowFilter> include the following:
MaintenanceWindowFilter>
DescribeMaintenanceWindowExecutions
DescribeMaintenanceWindowExecutionTaskInvocations
DescribeMaintenanceWindowExecutionTasks
DescribeMaintenanceWindows
DescribeMaintenanceWind
{ "Key": "string", "Values": [] }