public String getInstanceType() {
        return this.instanceType;
    }
<p>
The OpenSearch instance type offered by theReserved Instance offering.
</p>

@return The OpenSearch instance type offered by theReserved Instance offering.
@see OpenSearchPartitionInstanceType
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/ReservedInstance.java