= 50400 && trait_exists($className)) { return new self(sprintf('The provided type "%s" is a trait, and can not be instantiated', $className)); } return new self(sprintf('The provided class "%s" does not exist', $className)); } public static function fromAbstractClass(ReflectionClass $reflectionClass) : self { return new self(sprintf( 'The provided class "%s" is abstract, and can not be instantiated', $reflectionClass->getName() )); } }