Package loggerx provides logging functions to the rest of the syspolicy packages.

Package metrics provides logging and reporting for policy settings and scopes.

EqualJSONForTest compares the JSON in j1 and j2 for semantic equality.

OS is like [version.OS], but supports a test hook.

Init facilitates deferred invocation of initializers.

OSForTesting is the operating system override used for testing.

TB is a subset of testing.TB that we use to set up test helpers.