COMPILATION_UNIT -> COMPILATION_UNIT [1:0]
|--PACKAGE_DEF -> package [1:0]
|   |--ANNOTATIONS -> ANNOTATIONS [1:39]
|   |--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]
|   `--SEMI -> ; [1:47]
`--CLASS_DEF -> CLASS_DEF [3:0]
    |--MODIFIERS -> MODIFIERS [3:0]
    |   `--LITERAL_PUBLIC -> public [3:0]
    |--LITERAL_CLASS -> class [3:7]
    |--IDENT -> InputCharLiteralSurrogatePair [3:13]
    `--OBJBLOCK -> OBJBLOCK [3:43]
        |--LCURLY -> { [3:43]
        |--VARIABLE_DEF -> VARIABLE_DEF [4:4]
        |   |--MODIFIERS -> MODIFIERS [4:4]
        |   |--TYPE -> TYPE [4:4]
        |   |   `--IDENT -> String [4:4]
        |   |--IDENT -> X [4:11]
        |   |--ASSIGN -> = [4:13]
        |   |   `--EXPR -> EXPR [4:15]
        |   |       `--STRING_LITERAL -> "ища" [4:15]
        |   `--SEMI -> ; [4:20]
        |--VARIABLE_DEF -> VARIABLE_DEF [5:4]
        |   |--MODIFIERS -> MODIFIERS [5:4]
        |   |--TYPE -> TYPE [5:4]
        |   |   `--IDENT -> String [5:4]
        |   |--IDENT -> Y [5:11]
        |   |--ASSIGN -> = [5:13]
        |   |   `--EXPR -> EXPR [5:15]
        |   |       `--STRING_LITERAL -> "н" [5:15]
        |   `--SEMI -> ; [5:18]
        |--VARIABLE_DEF -> VARIABLE_DEF [6:4]
        |   |--MODIFIERS -> MODIFIERS [6:4]
        |   |--TYPE -> TYPE [6:4]
        |   |   `--LITERAL_CHAR -> char [6:4]
        |   |--IDENT -> Z [6:9]
        |   |--ASSIGN -> = [6:11]
        |   |   `--EXPR -> EXPR [6:13]
        |   |       `--CHAR_LITERAL -> 'н' [6:13]
        |   `--SEMI -> ; [6:16]
        `--RCURLY -> } [7:0]
