public String getPreferredInstanceType() {
        return this.preferredInstanceType;
    }
<p>
The instance type. If you specify this, you must also specify a value for the <code>OutpostArn</code>.
</p>

@return The instance type. If you specify this, you must also specify a value for the <code>OutpostArn</code>.
aws-java-sdk-route53resolver/src/main/java/com/amazonaws/services/route53resolver/model/CreateResolverEndpointRequest.java