Function validatePageSessionSnapshot

validatePageSessionSnapshot(snapshot: PageSessionSnapshot): void
Validates revision and placement invariants in an authoritative snapshot.
Parameters
- snapshot: PageSessionSnapshot
  The current immutable session snapshot.
Returns void

Throws
PageProtocolError for an invalid revision.

Throws
PageArrangementError when placement identities or sources are invalid.
- Defined in packages/colab/src/protocol.ts:83