public function make(Str $name, Str $value) : HeaderInterface
{
if ((string) $name->toLower() !== 'content-range') {
throw new InvalidArgumentException();
}
$matches = $value->trim()->getMatches('~^(?<unit>\\w+) (?<first>\\d+)-(?<last>\\d+)/(?<length>\\d+|\\*)$~');
$length = (string) $matches->get('length');
return new ContentRange(new ContentRangeValue((string) $matches->get('unit'), (int) (string) $matches->get('first'), (int) (string) $matches->get('last'), $length === '*' ? null : (int) $length));
}
