src/Routes/RouterAbstract.php
public function addRoute($httpMethod, $route, $handler) {
        $route = $this->groupCurrent . $route;
        $this->routes[] = [
            'httpMethod' => $httpMethod,
            'route' => $route,
            'handler' => $handler,
        ];
    }
public function addRoute($httpMethod, $route, $handler) {
        $route = $this->groupCurrent . $route;
        $this->routes[] = [
            'httpMethod' => $httpMethod,
            'route' => $route,
            'handler' => $handler,
        ];
    }
Add route handling
@param string|string[] $httpMethod
@param string $route
@param mixed $handler