src/CoreBundle/DcGeneral/PropertyConditionFactory.php
public function supportsNesting($conditionType)
    {
        $factory = $this->factories->has($conditionType) ? $this->getFactory($conditionType) : null;

        return ($factory instanceof NestablePropertyConditionFactoryInterface)
            || (bool) $this->fallbackFactory->supportsNesting($conditionType);
    }
public function supportsNesting($conditionType)
    {
        $factory = $this->factories->has($conditionType) ? $this->getFactory($conditionType) : null;

        return ($factory instanceof NestablePropertyConditionFactoryInterface)
            || (bool) $this->fallbackFactory->supportsNesting($conditionType);
    }
Test if the passed type supports nesting.

@param string $conditionType The type name.

@return bool