public java.util.List<MaintenanceWindowFilter> getFilters() {
        if (filters == null) {
            filters = new com.amazonaws.internal.SdkInternalList<MaintenanceWindowFilter>();
        }
        return filters;
    }
<p>
Optional filters used to scope down the returned tasks. The supported filter key is <code>STATUS</code> with the
corresponding values <code>PENDING</code>, <code>IN_PROGRESS</code>, <code>SUCCESS</code>, <code>FAILED</code>,
<code>TIMED_OUT</code>, <code>CANCELLING</code>, and <code>CANCELLED</code>.
</p>

@return Optional filters used to scope down the returned tasks. The supported filter key is <code>STATUS</code>
        with the corresponding values <code>PENDING</code>, <code>IN_PROGRESS</code>, <code>SUCCESS</code>,
        <code>FAILED</code>, <code>TIMED_OUT</code>, <code>CANCELLING</code>, and <code>CANCELLED</code>.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/DescribeMaintenanceWindowExecutionTasksRequest.java