lombok/website/usageExamples/experimental/HelperExample_pre.jpage

import lombok.experimental.Helper;

public class HelperExample {
	int someMethod(int arg1) {
		int localVar = 5;

		@Helper class Helpers {
			int helperMethod(int arg) {
				return arg + localVar;
			}
		}

		return helperMethod(10);
	}
}