src/vs/platform/userDataSync/common/userDataSyncServiceIpc.ts/ManualSyncTaskChannelClient/accept
class ManualSyncTaskChannelClient:	async accept(resource: URI, content?: string | null): Promise<[SyncResource, ISyncResourcePreview][]> {
		const previews = await this.channel.call<[SyncResource, ISyncResourcePreview][]>('accept', [resource, content]);
		return this.deserializePreviews(previews);
	}