lib/D4rk4ng3l/Oxid/CodeGenerator/Php/PhpClass.php
public function addImplementation($className)
    {
        $this->implementations[$className] = $this->phpUse->getClassAlias($className);

        return $this;
    }
public function addImplementation($className)
    {
        $this->implementations[$className] = $this->phpUse->getClassAlias($className);

        return $this;
    }
@param $className

@return $this