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 -> antlr4 [1:49]
    `--SEMI -> ; [1:55]
