COMPILATION_UNIT -> COMPILATION_UNIT [1:1]
|--PACKAGE_DEF -> package [1:1]
|   |--ANNOTATIONS -> ANNOTATIONS [1:40]
|   |--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]
|   `--SEMI -> ; [1:48]
`--CLASS_DEF -> CLASS_DEF [3:1]
    |--MODIFIERS -> MODIFIERS [3:1]
    |   `--LITERAL_PUBLIC -> public [3:1]
    |--LITERAL_CLASS -> class [3:8]
    |--IDENT -> InputCharLiteralSurrogatePair [3:14]
    `--OBJBLOCK -> OBJBLOCK [3:44]
        |--LCURLY -> { [3:44]
        |--VARIABLE_DEF -> VARIABLE_DEF [4:5]
        |   |--MODIFIERS -> MODIFIERS [4:5]
        |   |--TYPE -> TYPE [4:5]
        |   |   `--IDENT -> String [4:5]
        |   |--IDENT -> X [4:12]
        |   |--ASSIGN -> = [4:14]
        |   |   `--EXPR -> EXPR [4:16]
        |   |       `--STRING_LITERAL -> "ища" [4:16]
        |   `--SEMI -> ; [4:21]
        |--VARIABLE_DEF -> VARIABLE_DEF [5:5]
        |   |--MODIFIERS -> MODIFIERS [5:5]
        |   |--TYPE -> TYPE [5:5]
        |   |   `--IDENT -> String [5:5]
        |   |--IDENT -> Y [5:12]
        |   |--ASSIGN -> = [5:14]
        |   |   `--EXPR -> EXPR [5:16]
        |   |       `--STRING_LITERAL -> "н" [5:16]
        |   `--SEMI -> ; [5:19]
        |--VARIABLE_DEF -> VARIABLE_DEF [6:5]
        |   |--MODIFIERS -> MODIFIERS [6:5]
        |   |--TYPE -> TYPE [6:5]
        |   |   `--LITERAL_CHAR -> char [6:5]
        |   |--IDENT -> Z [6:10]
        |   |--ASSIGN -> = [6:12]
        |   |   `--EXPR -> EXPR [6:14]
        |   |       `--CHAR_LITERAL -> 'н' [6:14]
        |   `--SEMI -> ; [6:17]
        `--RCURLY -> } [7:1]
