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 -> antlr4 [1:48]
    `--SEMI -> ; [1:54]
