src/vs/platform/userDataSync/common/userDataSyncService.ts/ProfileSynchronizer/updateConflicts
class ProfileSynchronizer:	private updateConflicts(): void {
		const conflicts = this.enabled.filter(s => s.status === SyncStatus.HasConflicts)
			.filter(s => s.conflicts.conflicts.length > 0)
			.map(s => s.conflicts);
		if (!equals(this._conflicts, conflicts, (a, b) => a.syncResource === b.syncResource && equals(a.conflicts, b.conflicts, (a, b) => isEqual(a.previewResource, b.previewResource)))) {
			this._conflicts = conflicts;
			this._onDidChangeConflicts.fire(conflicts);
		}
	}