src/RequestApplication.php
public function resolveAction($routePath = null, $method = null, $params = null)
    {
        $route = $this->createRoute($routePath, $method, $params);
        return $route->resolve();
    }
public function resolveAction($routePath = null, $method = null, $params = null)
    {
        $route = $this->createRoute($routePath, $method, $params);
        return $route->resolve();
    }
Resolve app action
@param string|null $routePath
@param string|null $method
@param array|null $params
@return Promise\ExtendedPromiseInterface