Called when tripwire Wire is trapped. Context
provides additional context for interpreting the tripwire. The hook can
take one of three actions:
Succeed. In this case the tripwire is considered handled and
execution proceeds as if there was no tripwire. Note that tripwires only
trigger at the exact value, which implies that a wire on a count will be
triggered only once. The hook can install a new tripwire at a higher
Fail. In this case the default action is taken.
Throw an exception. Exceptions are propagated normally.
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