public String getProgressUpdateStream() {
        return this.progressUpdateStream;
    }
<p>
An AWS resource used for access control. It should uniquely identify the migration tool as it is used for all
updates made by the tool.
</p>

@return An AWS resource used for access control. It should uniquely identify the migration tool as it is used for
        all updates made by the tool.
aws-java-sdk-migrationhub/src/main/java/com/amazonaws/services/migrationhub/model/MigrationTaskSummary.java