Optional
onEvent that fires when a new opener is added or removed.
Optional
addAdd open handler i.e. for custom editors
Return an opener with the higher priority for the given URI. Reject if such does not exist.
Optional
options: OpenerOptionsReturn all registered openers. Never reject.
Return all openers able to open the given URI for given options ordered according their priority. Never reject.
Optional
options: OpenerOptionsOptional
removeRemove open handler
OpenerService
provide an access to existing openers.