public void setReservedInstancesIds(java.util.Collection<ReservedInstancesId> reservedInstancesIds) {
        if (reservedInstancesIds == null) {
            this.reservedInstancesIds = null;
            return;
        }

        this.reservedInstancesIds = new com.amazonaws.internal.SdkInternalList<ReservedInstancesId>(reservedInstancesIds);
    }
<p>
The IDs of one or more Reserved Instances.
</p>

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