src/Valkyrja/Http/NativeRequest.php
public function setHeaders(array $headers = []): Request
    {
        $headers = $headers ?: $this->server()->getHeaders();

        $this->headers = new Headers($headers);

        return $this;
    }
public function setHeaders(array $headers = []): Request
    {
        $headers = $headers ?: $this->server()->getHeaders();

        $this->headers = new Headers($headers);

        return $this;
    }
Set the headers parameters.

@param array $headers

@return \Valkyrja\Http\Request