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

        this.successful = new com.amazonaws.internal.SdkInternalList<ChangeMessageVisibilityBatchResultEntry>(successful);
    }
<p>
A list of <code> <a>ChangeMessageVisibilityBatchResultEntry</a> </code> items.
</p>

@param successful
       A list of <code> <a>ChangeMessageVisibilityBatchResultEntry</a> </code> items.
aws-java-sdk-sqs/src/main/java/com/amazonaws/services/sqs/model/ChangeMessageVisibilityBatchResult.java