To wait all we do is put the thread into a busy loop (a spin).

为了让线程等待，我们只需将线程执行一个忙循环(自旋)。

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If the specified number is not detected, the tool will wait in an infinite loop.

如果未检测到指定数量的Mbean，工具将会无限期等待。

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If the specified number is not detected, the tool will wait in an infinite loop.

如果未检测到指定数量的Mbean，工具将会无限期等待。

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