COMPILATION_UNIT -> COMPILATION_UNIT [2:0]
|--PACKAGE_DEF -> package [2:0]
|   |--ANNOTATIONS -> ANNOTATIONS [2:39]
|   |--DOT -> . [2:39]
|   |   |--DOT -> . [2:28]
|   |   |   |--DOT -> . [2:22]
|   |   |   |   |--DOT -> . [2:11]
|   |   |   |   |   |--IDENT -> com [2:8]
|   |   |   |   |   `--IDENT -> puppycrawl [2:12]
|   |   |   |   `--IDENT -> tools [2:23]
|   |   |   `--IDENT -> checkstyle [2:29]
|   |   `--IDENT -> grammar [2:40]
|   `--SEMI -> ; [2:47]
`--INTERFACE_DEF -> INTERFACE_DEF [4:0]
    |--MODIFIERS -> MODIFIERS [4:0]
    |   `--LITERAL_PUBLIC -> public [4:0]
    |--LITERAL_INTERFACE -> interface [4:7]
    |--IDENT -> InputRegressionJava8Interface1 [4:17]
    `--OBJBLOCK -> OBJBLOCK [4:48]
        |--LCURLY -> { [4:48]
        |--METHOD_DEF -> METHOD_DEF [5:4]
        |   |--MODIFIERS -> MODIFIERS [5:4]
        |   |   `--LITERAL_DEFAULT -> default [5:4]
        |   |--TYPE -> TYPE [5:12]
        |   |   `--LITERAL_VOID -> void [5:12]
        |   |--IDENT -> m [5:17]
        |   |--LPAREN -> ( [5:18]
        |   |--PARAMETERS -> PARAMETERS [5:19]
        |   |--RPAREN -> ) [5:19]
        |   `--SLIST -> { [5:21]
        |       `--RCURLY -> } [5:22]
        `--RCURLY -> } [6:0]
