public CreateDBInstanceRequest withDBInstanceClass(String dBInstanceClass) {
        setDBInstanceClass(dBInstanceClass);
        return this;
    }
<p>
The compute and memory capacity of the DB instance, for example, <code>db.m4.large</code>. Not all DB instance
classes are available in all Amazon Regions.
</p>

@param dBInstanceClass
       The compute and memory capacity of the DB instance, for example, <code>db.m4.large</code>. Not all DB
       instance classes are available in all Amazon Regions.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/CreateDBInstanceRequest.java