public java.util.List<ReservedInstancesId> getReservedInstancesIds() {
        if (reservedInstancesIds == null) {
            reservedInstancesIds = new com.amazonaws.internal.SdkInternalList<ReservedInstancesId>();
        }
        return reservedInstancesIds;
    }
<p>
The IDs of one or more Reserved Instances.
</p>

@return The IDs of one or more Reserved Instances.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ReservedInstancesModification.java