const consumer2 = shared.pull(decompress);
No base class to extend, no abstract methods to implement, no controller to coordinate with. Just an object with the right shape.
。关于这个话题，夫子提供了深入分析
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（四）违反有关法律法规规定，升放携带明火的升空物体，有发生火灾事故危险，不听劝阻的；