/** * @inheritdoc */ public function prependLine($prepend, $useHandle = false) { $this->lazyOutputInit(); if ($this->output instanceof Closure && $useHandle) { $ret = $this->output->__invoke($prepend); } else { $ret = $this->output->prepend($prepend, $useHandle); } $this->prependLine = $this->prependLine === null ? $ret : ($this->prependLine .= $ret); return $this; }