BroadcastProcessFunction对比KeyedBroadcastProcessFunction

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BroadcastProcessFunction对比KeyedBroadcastProcessFunction

nobleyd
(1)如题,这2个都是DataStream的process方法的参数。
那么对生成BroadcastConnectedStream的stream是否属于KeyedStream有要求不?
有的话为什么不从API层面分离呢?