public function whateverMatches(string $param) : RouteBuilder
    {
        if (array_key_exists($param, $this->matchers)) {
            unset($this->matchers[$param]);
        }

        return $this;
    }
public function whateverMatches(string $param) : RouteBuilder
    {
        if (array_key_exists($param, $this->matchers)) {
            unset($this->matchers[$param]);
        }

        return $this;
    }
Returns a route having removed all formerly set matchers
for the param with given name.

@param string $param The name of the param all matchers should be removed for
@return RouteBuilder