public void setBackupRetentionPeriod(Integer backupRetentionPeriod) {
        this.backupRetentionPeriod = backupRetentionPeriod;
    }
<p>
Specifies the number of days for which automatic snapshots are retained.
</p>

@param backupRetentionPeriod
       Specifies the number of days for which automatic snapshots are retained.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/DBCluster.java