java.FILE
  IMPORT_LIST
    <empty list>
  CLASS
    MODIFIER_LIST
      <empty list>
    CLASS_KEYWORD
    WHITE_SPACE
    IDENTIFIER
    TYPE_PARAMETER_LIST
      <empty list>
    EXTENDS_LIST
      <empty list>
    IMPLEMENTS_LIST
      <empty list>
    LBRACE
    WHITE_SPACE
    CLASS_INITIALIZER
      MODIFIER_LIST
        <empty list>
      CODE_BLOCK
        LBRACE
        WHITE_SPACE
        DO_WHILE_STATEMENT
          DO_KEYWORD
          BLOCK_STATEMENT
            CODE_BLOCK
              LBRACE
              RBRACE
          WHILE_KEYWORD
          LPARENTH
          LITERAL_EXPRESSION
            TRUE_KEYWORD
          RPARENTH
          SEMICOLON
        WHITE_SPACE
        RBRACE
    WHITE_SPACE
    RBRACE