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| Reports cases where the argument of a method call on a <b>java.util.Collection</b> | |
| or <b>java.util.Map</b> is the collection or map itself. | |
| This includes adding a collection to itself, which can lead to a <b>java.lang.StackOverflowError</b> when, | |
| for example, calling <b>hashCode()</b> on the self-containing collection. | |
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