src/vs/base/parts/ipc/common/ipc.ts/IPCServer/registerChannel
class IPCServer:	registerChannel(channelName: string, channel: IServerChannel<TContext>): void {
		this.channels.set(channelName, channel);

		this._connections.forEach(connection => {
			connection.channelServer.registerChannel(channelName, channel);
		});
	}