public void setSuccessful(java.util.Collection<AuditEventResultEntry> successful) {
        if (successful == null) {
            this.successful = null;
            return;
        }

        this.successful = new java.util.ArrayList<AuditEventResultEntry>(successful);
    }
<p>
Lists events in the provided event payload that were successfully ingested into CloudTrail.
</p>

@param successful
       Lists events in the provided event payload that were successfully ingested into CloudTrail.
aws-java-sdk-cloudtraildata/src/main/java/com/amazonaws/services/cloudtraildata/model/PutAuditEventsResult.java