public function importFile (string $assetPathToMap) : void
    {
        try {
            $filePath = $this->namespaceRegistry->getFilePath(Asset::createFromAssetPath($assetPathToMap));

            if (\is_file($filePath))
            {
                $map = \json_decode(\file_get_contents($filePath), true);

                if (null !== $map)
                {
                    $this->importMap(
                        \dirname($assetPathToMap),
                        $map
                    );
                }
            }
        }
        catch (AssetsException $e)
        {
            if (null !== $this->logger)
            {
                $this->logger->error("Could not load dependency map at {path}.", [
                    "path" => $assetPathToMap,
                    "error" => $e->getMessage(),
                ]);
            }
        }
    }