COMPILATION_UNIT -> COMPILATION_UNIT [1:0]
|--PACKAGE_DEF -> package [1:0]
|   |--ANNOTATIONS -> ANNOTATIONS [1:47]
|   |--DOT -> . [1:47]
|   |   |--DOT -> . [1:39]
|   |   |   |--DOT -> . [1:28]
|   |   |   |   |--DOT -> . [1:22]
|   |   |   |   |   |--DOT -> . [1:11]
|   |   |   |   |   |   |--IDENT -> com [1:8]
|   |   |   |   |   |   `--IDENT -> puppycrawl [1:12]
|   |   |   |   |   `--IDENT -> tools [1:23]
|   |   |   |   `--IDENT -> checkstyle [1:29]
|   |   |   `--IDENT -> grammar [1:40]
|   |   `--IDENT -> comments [1:48]
|   `--SEMI -> ; [1:56]
`--CLASS_DEF -> CLASS_DEF [3:0]
    |--MODIFIERS -> MODIFIERS [3:0]
    |--SINGLE_LINE_COMMENT -> // [2:0]
    |   `--COMMENT_CONTENT ->  my class\n [2:2]
    |--LITERAL_CLASS -> class [3:0]
    |--IDENT -> InputComments2 [3:6]
    `--OBJBLOCK -> OBJBLOCK [4:0]
        |--LCURLY -> { [4:0]
        |--METHOD_DEF -> METHOD_DEF [10:4]
        |   |--MODIFIERS -> MODIFIERS [10:4]
        |   |   |--BLOCK_COMMENT_BEGIN -> /* [5:4]
        |   |   |   |--COMMENT_CONTENT -> *\n     * Lines <b>method</b>.\n     *\n     * @return string.\n      [5:6]
        |   |   |   `--BLOCK_COMMENT_END -> */ [9:5]
        |   |   `--LITERAL_PROTECTED -> protected [10:4]
        |   |--TYPE -> TYPE [10:14]
        |   |   `--IDENT -> String [10:14]
        |   |--IDENT -> line [10:21]
        |   |--LPAREN -> ( [10:25]
        |   |--PARAMETERS -> PARAMETERS [10:26]
        |   |--RPAREN -> ) [10:26]
        |   `--SLIST -> { [11:4]
        |       |--LITERAL_RETURN -> return [12:2]
        |       |   |--EXPR -> EXPR [12:9]
        |       |   |   `--LITERAL_NULL -> null [12:9]
        |       |   `--SEMI -> ; [12:13]
        |       `--RCURLY -> } [13:4]
        `--RCURLY -> } [14:0]
