Description:
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I filled "Unknown" in package affected because HRTime extension is not shown in the PECL list.

The arginfo for several HRTime extension functions are missing. This issue was noted when generating extension stubs for IDE code completion. This can be seen by running `php --re hrtime` with the HRTime PECL extension loaded.

The following functions (according to http://php.net/manual/en/book.hrtime.php) have arguments, but their arginfo does not show it:

- HRTime\PerformanceCounter::getTicksSince() has a missing, required `int $since` parameter
- HRTime\StopWatch::getElapsedTime() has a missing, optional `int $unit` parameter
- HRTime\StopWatch::getLastElapsedTime() has a missing, optional `int $unit` parameter



Expected result:
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Arginfo in `php --re hrtime` would include the arguments required by these functions.

Actual result:
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Arginfo omits the arguments which are documented in the manual.