Handle POST /collab/token (and its CORS preflight). Returns true when the request matched this route (and a response was sent), false otherwise so the caller can fall through to its own 404.
POST /collab/token
true
false
Handle
POST /collab/token(and its CORS preflight). Returnstruewhen the request matched this route (and a response was sent),falseotherwise so the caller can fall through to its own 404.