src/Neutrino/Support/Traits/InjectionAwareTrait.php
public function getDI()
    {
        if (!isset($this->_di)) {
            $this->setDI(Di::getDefault());
        }

        return $this->_di;
    }
public function getDI()
    {
        if (!isset($this->_di)) {
            $this->setDI(Di::getDefault());
        }

        return $this->_di;
    }
Returns the internal dependency injector

@return DiInterface