16     init(asyncId, type, triggerAsyncId, resource) {  argument
23         this.promiseIds.add(asyncId);
25         inspector.asyncTaskScheduled(type, asyncId, recurring);
28     before(asyncId) {  argument
29       if (this.promiseIds.has(asyncId))
31       inspector.asyncTaskStarted(asyncId);
34     after(asyncId) {  argument
35       if (this.promiseIds.has(asyncId))
37       inspector.asyncTaskFinished(asyncId);
40     destroy(asyncId) {  argument
41       if (this.promiseIds.has(asyncId))
42         return this.promiseIds.delete(asyncId);
43       inspector.asyncTaskCanceled(asyncId);