COMPILATION_UNIT -> COMPILATION_UNIT [1:0]
|--PACKAGE_DEF -> package [1:0]
|   |--ANNOTATIONS -> ANNOTATIONS [1:39]
|   |--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 -> asttreestringprinter [1:40]
|   `--SEMI -> ; [1:60]
`--CLASS_DEF -> CLASS_DEF [4:0]
    |--MODIFIERS -> MODIFIERS [4:0]
    |--BLOCK_COMMENT_BEGIN -> /* [3:0]
    |   |--COMMENT_CONTENT -> *my class [3:2]
    |   `--BLOCK_COMMENT_END -> */ [3:10]
    |--LITERAL_CLASS -> class [4:0]
    |--IDENT -> InputAstTreeStringPrinterComments [4:6]
    `--OBJBLOCK -> OBJBLOCK [4:40]
        |--LCURLY -> { [4:40]
        |--SINGLE_LINE_COMMENT -> // [5:1]
        |   `--COMMENT_CONTENT ->  no code\n [5:3]
        `--RCURLY -> } [6:0]
