protected function getOverrideValue($name, $overrides)
    {
        if ($this->isAllowedValue($name) && isset($overrides[$name])) {
            return $overrides[$name];
        }

        return $this->get($name);
    }
protected function getOverrideValue($name, $overrides)
    {
        if ($this->isAllowedValue($name) && isset($overrides[$name])) {
            return $overrides[$name];
        }

        return $this->get($name);
    }
Extract an override value.

@param string $name      The name of the value.

@param array  $overrides The overrides containing the values to be overridden.

@return mixed