COMPILATION_UNIT -> COMPILATION_UNIT [5:1]
|--SINGLE_LINE_COMMENT -> // [1:1]
|   `--COMMENT_CONTENT -> //////////////////////////////////////////////////////////////////////\r [1:3]
|--SINGLE_LINE_COMMENT -> // [2:1]
|   `--COMMENT_CONTENT ->  Test case file for checkstyle.\r [2:3]
|--SINGLE_LINE_COMMENT -> // [3:1]
|   `--COMMENT_CONTENT ->  Created: 2015\r [3:3]
|--SINGLE_LINE_COMMENT -> // [4:1]
|   `--COMMENT_CONTENT -> //////////////////////////////////////////////////////////////////////\r [4:3]
|--PACKAGE_DEF -> package [5:1]
|   |--ANNOTATIONS -> ANNOTATIONS [5:40]
|   |--DOT -> . [5:40]
|   |   |--DOT -> . [5:29]
|   |   |   |--DOT -> . [5:23]
|   |   |   |   |--DOT -> . [5:12]
|   |   |   |   |   |--IDENT -> com [5:9]
|   |   |   |   |   `--IDENT -> puppycrawl [5:13]
|   |   |   |   `--IDENT -> tools [5:24]
|   |   |   `--IDENT -> checkstyle [5:30]
|   |   `--IDENT -> grammar [5:41]
|   `--SEMI -> ; [5:48]
`--INTERFACE_DEF -> INTERFACE_DEF [12:1]
    |--MODIFIERS -> MODIFIERS [12:1]
    |   |--BLOCK_COMMENT_BEGIN -> /* [7:1]
    |   |   |--COMMENT_CONTENT -> *\r * Test using the CR\r * dot.\r * @author Martin Steiger\r * [7:3]
    |   |   `--BLOCK_COMMENT_END -> */ [11:3]
    |   `--LITERAL_PUBLIC -> public [12:1]
    |--LITERAL_INTERFACE -> interface [12:8]
    |--IDENT -> InputAstRegressionNewlineCrAtEndOfFile [12:18]
    `--OBJBLOCK -> OBJBLOCK [13:1]
        |--LCURLY -> { [13:1]
        |--BLOCK_COMMENT_BEGIN -> /* [14:1]
        |   |--COMMENT_CONTENT -> * Test with ending with CR newline\r [14:3]
        |   `--BLOCK_COMMENT_END -> */ [15:1]
        `--RCURLY -> } [16:1]
