public InstanceFleet withInstanceTypeSpecifications(java.util.Collection<InstanceTypeSpecification> instanceTypeSpecifications) {
        setInstanceTypeSpecifications(instanceTypeSpecifications);
        return this;
    }
<p>
An array of specifications for the instance types that comprise an instance fleet.
</p>

@param instanceTypeSpecifications
       An array of specifications for the instance types that comprise an instance fleet.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/InstanceFleet.java