public String getInstanceCollectionType() {
        return this.instanceCollectionType;
    }
<note>
<p>
The instance fleet configuration is available only in Amazon EMR releases 4.8.0 and later, excluding 5.0.x
versions.
</p>
</note>
<p>
The instance group configuration of the cluster. A value of <code>INSTANCE_GROUP</code> indicates a uniform
instance group configuration. A value of <code>INSTANCE_FLEET</code> indicates an instance fleets configuration.
</p>

@return <p>
        The instance fleet configuration is available only in Amazon EMR releases 4.8.0 and later, excluding
        5.0.x versions.
        </p>
        </note>
        <p>
        The instance group configuration of the cluster. A value of <code>INSTANCE_GROUP</code> indicates a
        uniform instance group configuration. A value of <code>INSTANCE_FLEET</code> indicates an instance fleets
        configuration.
@see InstanceCollectionType
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/Cluster.java