COMPILATION_UNIT -> COMPILATION_UNIT [1:1]
|--PACKAGE_DEF -> package [1:1]
|   |--ANNOTATIONS -> ANNOTATIONS [1:48]
|   |--DOT -> . [1:48]
|   |   |--DOT -> . [1:40]
|   |   |   |--DOT -> . [1:29]
|   |   |   |   |--DOT -> . [1:23]
|   |   |   |   |   |--DOT -> . [1:12]
|   |   |   |   |   |   |--IDENT -> com [1:9]
|   |   |   |   |   |   `--IDENT -> puppycrawl [1:13]
|   |   |   |   |   `--IDENT -> tools [1:24]
|   |   |   |   `--IDENT -> checkstyle [1:30]
|   |   |   `--IDENT -> grammar [1:41]
|   |   `--IDENT -> comments [1:49]
|   `--SEMI -> ; [1:57]
`--CLASS_DEF -> CLASS_DEF [2:1]
    |--MODIFIERS -> MODIFIERS [2:1]
    |   `--LITERAL_PUBLIC -> public [2:1]
    |--LITERAL_CLASS -> class [2:8]
    |--BLOCK_COMMENT_BEGIN -> /* [2:14]
    |   |--COMMENT_CONTENT -> \n    i'mcomment567\n     [2:16]
    |   `--BLOCK_COMMENT_END -> */ [4:5]
    |--IDENT -> InputComments1 [5:1]
    `--OBJBLOCK -> OBJBLOCK [6:1]
        |--LCURLY -> { [6:1]
        |--SINGLE_LINE_COMMENT -> // [6:3]
        |   `--COMMENT_CONTENT ->  comment to left curly brace\n [6:5]
        `--RCURLY -> } [7:1]
