public function getContent(string $filename, array $options = []): ?string
    {
        return $this->appAssets->getContent($this->dir . '/' . $filename, $options);
    }
public function getContent(string $filename, array $options = []): ?string
    {
        return $this->appAssets->getContent($this->dir . '/' . $filename, $options);
    }
public function getContent ( string $ filename , array $ options = [ ] ) : ? string { return $ this -> appAssets -> getContent ( $ this -> dir . '/' . $ filename , $ options ) ; }
Returns the content of the file specified in the current context.

@param string $filename The filename.
@param array $options List of options. You can resize the file by providing "width", "height" or both. You can specify encoding too (base64 or data-uri).
@return string|null The content of the file or null if file does not exists.
Returns the content of the file specified in the current context .