public function get_block_render_method() {
        if ($this->blockrendermethod) {
            // Return the specified block render method.
            return $this->blockrendermethod;
        }
        // Its not explicitly set, check the parent theme configs.
        foreach ($this->parent_configs as $config) {
            if (isset($config->blockrendermethod)) {
                return $config->blockrendermethod;
            }
        }
        // Default it to blocks.
        return 'blocks';
    }