Class Hierarchy :
This class represents state data.
Contains the operational state for all the pseudowire
instances in the switch, no matter what L2VPN service
Each list element contains the state for a pseudowire instance. The list can be optionally keyed by any combination of vc-id, peer-address, etc. Additional filtering of the list by the agent may be performed upon request by the client using subtree filtering as described in RFC 6020 Section 6
type: list of