package com.google.checkstyle.test.chapter2filebasic.rule21filename; @interface MyAnnotation2 { //warn String name(); int version(); } @MyAnnotation2(name = "ABC", version = 1) class InputOuterTypeFilename3 //ok { } enum Enum2 //ok { A, B, C; Enum2() {} public String toString() { return ""; //some custom implementation } } interface TestRequireThisEnum2 //ok { enum DAY_OF_WEEK { SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY } }