Filter Hook: Filters the list of cache headers supported by core.

Filter Hook: Filters the second paragraph of the health check’s description when suggesting the use of a persistent object cache.

Filter Hook: Filters the thresholds used to determine whether to suggest the use of a persistent object cache.

Filter Hook: Filters the action URL for the persistent object cache health check.

Filter Hook: Filters whether to suggest use of a persistent object cache and bypass default threshold checks.

Filter Hook: Filters the array representing all the modules we wish to test for.

Filter Hook: Filters the output of a finished Site Health test.

Filter Hook: Filters which site status tests are run on a site.