Protected ReadonlycustomCollection of open-handlers for custom-editor contributions.
Protected ReadonlyhandlersReadonlyonEvent that fires when a new opener is added or removed.
Protected ReadonlyonProtectedgetReturn an opener with the higher priority for the given URI. Reject if such does not exist.
Optionaloptions: OpenerOptionsReturn all registered openers. Never reject.
Optionaluri: URIOptionaloptions: OpenerOptionsProtectedprioritizeOptionaloptions: OpenerOptions
OpenerServiceprovide an access to existing openers.