类似地，模式实现可能直接冲突（比如两者需要不同的超类）、并存但不交互，或者并存且以或多或少富有成效的方式进行交互。
Similarly, pattern implementations can conflict directly (e.g., if two require a different superclass), coexist but not interact, or coexist but interact, in more or less fruitful ways.
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