[#Java](Java) - Oracleのリファレンス: [https://docs.oracle.com/javase/tutorial/ext/basics/spi.html](https://docs.oracle.com/javase/tutorial/ext/basics/spi.html) - [https://hazm.at/mox/lang/java/spi/index.html](https://hazm.at/mox/lang/java/spi/index.html)