src/vs/workbench/api/browser/mainThreadDecorations.ts/MainThreadDecorations/$onDidChange
class MainThreadDecorations:	$onDidChange(handle: number, resources: UriComponents[]): void {
		const provider = this._provider.get(handle);
		if (provider) {
			const [emitter] = provider;
			emitter.fire(resources && resources.map(r => URI.revive(r)));
		}
	}