League\CommonMark\Environment::initializeBlockRenderers PHP Method

    private function initializeBlockRenderers($blockRenderers)
    {
        foreach ($blockRenderers as $class => $blockRenderer) {
            $this->blockRenderersByClass[$class] = $blockRenderer;
            if ($blockRenderer instanceof ConfigurationAwareInterface) {
                $blockRenderer->setConfiguration($this->config);
            }
        }
    }