Serializable canonical-to-legacy routing identity.
Persist this sidecar next to a canonical product or selection when the selected format may later need to cross a legacy creative wire. Unlike the SDK's WeakMap metadata, every owner and dimensional discriminator survives JSON serialization.
Serializable canonical-to-legacy routing identity.
Persist this sidecar next to a canonical product or selection when the selected format may later need to cross a legacy creative wire. Unlike the SDK's WeakMap metadata, every owner and dimensional discriminator survives JSON serialization.