public DescribeEventDetailsResult withFailedSet(java.util.Collection<EventDetailsErrorItem> failedSet) {
        setFailedSet(failedSet);
        return this;
    }
<p>
Error messages for any events that could not be retrieved.
</p>

@param failedSet
       Error messages for any events that could not be retrieved.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-health/src/main/java/com/amazonaws/services/health/model/DescribeEventDetailsResult.java