COMPILATION_UNIT -> COMPILATION_UNIT [1:0]
|--PACKAGE_DEF -> package [1:0]
|   |--ANNOTATIONS -> ANNOTATIONS [1:51]
|   |--DOT -> . [1:51]
|   |   |--DOT -> . [1:43]
|   |   |   |--DOT -> . [1:32]
|   |   |   |   |--DOT -> . [1:26]
|   |   |   |   |   |--DOT -> . [1:15]
|   |   |   |   |   |   |--IDENT -> com [1:12]
|   |   |   |   |   |   `--IDENT -> puppycrawl [1:16]
|   |   |   |   |   `--IDENT -> tools [1:27]
|   |   |   |   `--IDENT -> checkstyle [1:33]
|   |   |   `--IDENT -> grammar [1:44]
|   |   `--IDENT -> antlr4 [1:52]
|   `--SEMI -> ; [1:58]
`--CLASS_DEF -> CLASS_DEF [3:0]
    |--MODIFIERS -> MODIFIERS [3:0]
    |   `--LITERAL_PUBLIC -> public [3:0]
    |--LITERAL_CLASS -> class [3:12]
    |--IDENT -> InputAntlr4AstRegressionEmbeddedBlockComments [3:23]
    `--OBJBLOCK -> OBJBLOCK [3:74]
        |--LCURLY -> { [3:74]
        `--RCURLY -> } [5:2]
