java.FILE
  IMPORT_LIST
    <empty list>
  IMPLICIT_CLASS
    CLASS
      MODIFIER_LIST
        <empty list>
      CLASS_KEYWORD
      WHITE_SPACE
      IDENTIFIER
      TYPE_PARAMETER_LIST
        <empty list>
      EXTENDS_LIST
        <empty list>
      IMPLEMENTS_LIST
        <empty list>
      WHITE_SPACE
      LBRACE
      WHITE_SPACE
      METHOD
        MODIFIER_LIST
          PUBLIC_KEYWORD
        TYPE_PARAMETER_LIST
          <empty list>
        WHITE_SPACE
        TYPE
          VOID_KEYWORD
        WHITE_SPACE
        IDENTIFIER
        PARAMETER_LIST
          LPARENTH
          RPARENTH
        THROWS_LIST
          <empty list>
        WHITE_SPACE
        CODE_BLOCK
          LBRACE
          WHITE_SPACE
          RBRACE
      WHITE_SPACE
      RBRACE
    WHITE_SPACE
    METHOD
      MODIFIER_LIST
        PUBLIC_KEYWORD
      TYPE_PARAMETER_LIST
        <empty list>
      WHITE_SPACE
      TYPE
        VOID_KEYWORD
      WHITE_SPACE
      IDENTIFIER
      PARAMETER_LIST
        LPARENTH
        RPARENTH
      THROWS_LIST
        <empty list>
      WHITE_SPACE
      CODE_BLOCK
        LBRACE
        WHITE_SPACE
        RBRACE
    WHITE_SPACE
    ERROR_ELEMENT
      RBRACE