src/Document.php
public static function create($content): ?self
    {
        if (is_string($content)) {
            return self::fromString($content);
        }

        return $content ? self::cast($content) : null;
    }
public static function create($content): ?self
    {
        if (is_string($content)) {
            return self::fromString($content);
        }

        return $content ? self::cast($content) : null;
    }
Safely create a document.

@param $content
@return Document|null