src/vs/workbench/contrib/output/browser/outputServices.ts/OutputService/instantiateChannel
class OutputService:	private instantiateChannel(id: string): OutputChannel {
		const channelData = Registry.as<IOutputChannelRegistry>(Extensions.OutputChannels).getChannel(id);
		if (!channelData) {
			this.logService.error(`Channel '${id}' is not registered yet`);
			throw new Error(`Channel '${id}' is not registered yet`);
		}
		return this.instantiationService.createInstance(OutputChannel, channelData);
	}