anchor.diff:          _logger.warning(() => 'failed to get cache entry for "$_key"', e, st);
           rethrow;
         }
  -      _logger.severe(
  +      _logger.finest(
           () => 'failed to get cache entry for "$_key", returning "null"',
           e,
           st,
  
positive.code:   /// If [ignoreErrors] is `false` (default), errors are logged as warnings
    /// with [logger.warning()] and propagated to the caller.
    ///
    /// If [ignoreErrors] is `true`, errors are logged are logged as errors with
    /// [logger.severe()] and ignored, instead calls to `Entry.get` will return
    /// `null`.
    ///
    /// Reading and writing to the cache is always logged with [logger.finest()].
    ///
  
negative.code:         _logger.warning(() => 'failed to set cache entry for "$_key"', e, st);
          rethrow;
        }
        _logger.finest(
            () => 'failed to set cache entry for "$_key", ignoring error', e, st);
      }
      return value;
  