public void setDBInstances(java.util.Collection<DBInstance> dBInstances) {
        if (dBInstances == null) {
            this.dBInstances = null;
            return;
        }

        this.dBInstances = new java.util.ArrayList<DBInstance>(dBInstances);
    }
<p>
Detailed information about one or more instances.
</p>

@param dBInstances
       Detailed information about one or more instances.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/DescribeDBInstancesResult.java