User problem:
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The user has no easy way how to detect all the
places where certain field, method or class are
used, and thus what places would be affected by
potential code change.

User need:
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User needs to find a list of all places where
certain method is called/overriden,
where certain Interface is implemented, where
certain Class is subclassed and where a field is
accessed.

Product requirement:
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Find Usages tool