List<Book> findAll() {
		Book[] books = { new Book("2", "title2", "author2") };
		return Arrays.asList(books);
	}
Find all list.

@return the list
springdoc-openapi-tests/springdoc-openapi-javadoc-tests/src/test/java/test/org/springdoc/api/v30/app135/BookRepository.java