message: protect more properties unnecessary for public interface
diff: @@ -43,8 +43,8 @@ export abstract class ConnectionManager
  implements Emitter<ConnectionManagerEvents> {
  networkSymbol: NetworkSymbol;
  chainId: number;
  - simpleEmitter: SimpleEmitter;
  - broadcastChannel: BroadcastChannel;
  + protected simpleEmitter: SimpleEmitter;
  + protected broadcastChannel: BroadcastChannel;
  protected provider: any;
  protected connected = false;
  abstract providerId: WalletProviderId;
  