core: reduce memory pressure on startup from typescript import

plugins/core/package-lock.json

@@ -1,12 +1,12 @@
 {
    "name": "@scrypted/core",
-   "version": "0.0.167",
+   "version": "0.0.168",
    "lockfileVersion": 2,
    "requires": true,
    "packages": {
       "": {
          "name": "@scrypted/core",
-         "version": "0.0.167",
+         "version": "0.0.168",
          "license": "Apache-2.0",
          "dependencies": {
             "@koush/wrtc": "^0.5.0",

plugins/core/package.json

@@ -1,6 +1,6 @@
 {
    "name": "@scrypted/core",
-   "version": "0.0.167",
+   "version": "0.0.168",
    "description": "Scrypted Core plugin. Provides the UI, websocket, and engine.io APIs.",
    "author": "Scrypted",
    "license": "Apache-2.0",

plugins/core/src/aggregate.ts

@@ -39,8 +39,10 @@ aggregators.set(ScryptedInterface.Lock,
     values => values.reduce((prev, cur) => cur === LockState.Unlocked ? cur : prev, LockState.Locked));
 
 
+type AggregateCameraParsers = "mpegts";
+
 function createVideoCamera(devices: VideoCamera[], console: Console): VideoCamera {
-    let sessionPromise: Promise<FFMpegRebroadcastSession>
+    let sessionPromise: Promise<FFMpegRebroadcastSession<AggregateCameraParsers>>
 
     async function getVideoStreamWrapped(options: MediaStreamOptions) {
         if (sessionPromise) {

plugins/core/src/builtins/scheduler.ts

@@ -53,6 +53,7 @@ export class Scheduler {
             async setName() { },
             async setType() { },
             async setRoom() { },
+            async probe() { return true },
             listen(event: EventListenerOptions, callback, source?: ScryptedDeviceBase) {
                 function reschedule(): Date {
                     const now = Date.now();