참고

• https://docs.oracle.com/javase/8/docs/api/java/lang/invoke/LambdaMetafactory.html

• https://wttech.blog/blog/2020/method-handles-and-lambda-metafactory/

• https://gist.github.com/alexengrig/df1797d4d07c9f5d521d8c33c2a56563