ERROR,
        /** Fatal */
        FATAL,
    }

    /** Factory for LoggerAdapter */
    protected static final LoggerAdapterFactory factory = getLoggerAdapterFactory();

    /** Map of loggers keyed by class */
    protected static final Map<Class<?>, Logger> loggers = newHashMap();

    /** Flag indicating initialization is complete. */
    private static boolean initialized;

    /** Logger adapter. */

	importDir   map[string]string            // canonical import path → directory
	importMap   map[string]map[string]string // import path → canonical import path
}

var listCache sync.Map // map[string]listImports, keyed by contextName

// listSem is a semaphore restricting concurrent invocations of 'go list'. 'go
// list' has its own internal concurrency, so we use a hard-coded constant (to

   */
  private static final class LockGraphNode {

    /**
     * The map tracking the locks that are known to be acquired before this lock, each associated
     * with an example stack trace. Locks are weakly keyed to allow proper garbage collection when
     * they are no longer referenced.
     */
    final Map<LockGraphNode, ExampleStackTrace> allowedPriorLocks =
        new MapMaker().weakKeys().makeMap();

    /**