Which role does the Adjacency-SID sub-TLV extension perform in the IS-IS routing protocol?

It is advertised within a TLV-24 (IS-IS Neighbor Adjacency Attribute) to label a specific adjacency between Level1 routers within one IS-IS area.

It is advertised within TLV-136 (Extended IP Reachability) to label a specific node n the network.

It is advertised within TLV-22 (Extended IS Reachability) to label a specific link in a segment routing domain.

It is advertised within TLV-145 (IS-IS Prefix Reachability Information) to label host prefixes on loopback interfaces on Level 2 routers within one