- this.initializer = Preconditions.checkNotNull(initializer);
- this.dispatcher = Preconditions.checkNotNull(dispatcher);
- this.address = Preconditions.checkNotNull(address);
- this.strategyFactory = Preconditions.checkNotNull(connectStrategyFactory);
+ this.initializer = requireNonNull(initializer);
+ this.dispatcher = requireNonNull(dispatcher);
+ this.address = requireNonNull(address);
+ this.strategyFactory = requireNonNull(connectStrategyFactory);