COMPILATION_UNIT -> COMPILATION_UNIT [2:1]
|--PACKAGE_DEF -> package [2:1]
|   |--ANNOTATIONS -> ANNOTATIONS [2:40]
|   |--DOT -> . [2:40]
|   |   |--DOT -> . [2:29]
|   |   |   |--DOT -> . [2:23]
|   |   |   |   |--DOT -> . [2:12]
|   |   |   |   |   |--IDENT -> com [2:9]
|   |   |   |   |   `--IDENT -> puppycrawl [2:13]
|   |   |   |   `--IDENT -> tools [2:24]
|   |   |   `--IDENT -> checkstyle [2:30]
|   |   `--IDENT -> grammar [2:41]
|   `--SEMI -> ; [2:48]
`--INTERFACE_DEF -> INTERFACE_DEF [4:1]
    |--MODIFIERS -> MODIFIERS [4:1]
    |   `--LITERAL_PUBLIC -> public [4:1]
    |--LITERAL_INTERFACE -> interface [4:8]
    |--IDENT -> InputRegressionJava8Interface1 [4:18]
    `--OBJBLOCK -> OBJBLOCK [4:49]
        |--LCURLY -> { [4:49]
        |--METHOD_DEF -> METHOD_DEF [5:5]
        |   |--MODIFIERS -> MODIFIERS [5:5]
        |   |   `--LITERAL_DEFAULT -> default [5:5]
        |   |--TYPE -> TYPE [5:13]
        |   |   `--LITERAL_VOID -> void [5:13]
        |   |--IDENT -> m [5:18]
        |   |--LPAREN -> ( [5:19]
        |   |--PARAMETERS -> PARAMETERS [5:20]
        |   |--RPAREN -> ) [5:20]
        |   `--SLIST -> { [5:22]
        |       `--RCURLY -> } [5:23]
        `--RCURLY -> } [6:1]
