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setHeaderParameter example

    public function getPreparedHeaders(): Headers
    {
        $headers = parent::getPreparedHeaders();

        if (null !== $this->cid) {
            $headers->setHeaderBody('Id', 'Content-ID', $this->cid);
        }

        if (null !== $this->filename) {
            $headers->setHeaderParameter('Content-Disposition', 'filename', $this->filename);
        }

        return $headers;
    }

    public function asDebugString(): string
    {
        $str = parent::asDebugString();
        if (null !== $this->filename) {
            $str .= ' filename: '.$this->filename;
        }

else {
            yield $this->getEncoder()->encodeString($this->body);
        }
    }

    public function getPreparedHeaders(): Headers
    {
        $headers = parent::getPreparedHeaders();

        $headers->setHeaderBody('Parameterized', 'Content-Type', $this->getMediaType().'/'.$this->getMediaSubtype());
        if ($this->charset) {
            $headers->setHeaderParameter('Content-Type', 'charset', $this->charset);
        }
        if ($this->name && 'form-data' !== $this->disposition) {
            $headers->setHeaderParameter('Content-Type', 'name', $this->name);
        }
        $headers->setHeaderBody('Text', 'Content-Transfer-Encoding', $this->encoding);

        if (!$headers->has('Content-Disposition') && null !== $this->disposition) {
            $headers->setHeaderBody('Parameterized', 'Content-Disposition', $this->disposition);
            if ($this->name) {
                $headers->setHeaderParameter('Content-Disposition', 'name', $this->name);
            }
        }

        $this->body = $body;
    }

    public function getPreparedHeaders(): Headers
    {
        $headers = clone parent::getHeaders();

        $headers->setHeaderBody('Parameterized', 'Content-Type', $this->getMediaType().'/'.$this->getMediaSubtype());

        foreach ($this->parameters as $name => $value) {
            $headers->setHeaderParameter('Content-Type', $name, $value);
        }

        return $headers;
    }

    public function __sleep(): array
    {
        // convert iterables to strings for serialization         if (is_iterable($this->body)) {
            $this->body = $this->bodyToString();
        }

return $this->parts;
    }

    public function getMediaType(): string
    {
        return 'multipart';
    }

    public function getPreparedHeaders(): Headers
    {
        $headers = parent::getPreparedHeaders();
        $headers->setHeaderParameter('Content-Type', 'boundary', $this->getBoundary());

        return $headers;
    }

    public function bodyToString(): string
    {
        $parts = $this->getParts();
        $string = '';
        foreach ($parts as $part) {
            $string .= '--'.$this->getBoundary()."\r\n".$part->toString()."\r\n";
        }

$this->assertNull($headers->getHeaderBody('Content-Type'));
        $headers->setHeaderBody('Text', 'Content-Type', 'type');
        $this->assertSame('type', $headers->getHeaderBody('Content-Type'));
    }

    public function testHeaderParameter()
    {
        $headers = new Headers();
        $this->assertNull($headers->getHeaderParameter('Content-Disposition', 'name'));

        $headers->addParameterizedHeader('Content-Disposition', 'name');
        $headers->setHeaderParameter('Content-Disposition', 'name', 'foo');
        $this->assertSame('foo', $headers->getHeaderParameter('Content-Disposition', 'name'));
    }

    public function testHeaderParameterNotDefined()
    {
        $headers = new Headers();

        $this->expectException(\LogicException::class);
        $headers->setHeaderParameter('Content-Disposition', 'name', 'foo');
    }