The binarySearch method of the Collections class returns a value in the form of $$k $-1$ when the target item you are searching for was not found in the array. What does k represent?

Group of answer choices

It represents the number of times the array was accessed by the binarySearch method, and can be used for analyzing performance.

It is the position of an existing item, and indicates that your target item should come after this existing item.

It represents the index at which the target item should be inserted.

Nothing $$ it is an arbitrary value.

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