java.FILE
  ERROR_ELEMENT
    PACKAGE_KEYWORD
  WHITE_SPACE
  IMPORT_LIST
    <empty list>
  SEMICOLON
  WHITE_SPACE
  IMPLICIT_CLASS
    MODIFIER_LIST
      NATIVE_KEYWORD
    ERROR_ELEMENT
      <empty list>
    WHITE_SPACE
    ERROR_ELEMENT
      IMPORT_KEYWORD
    WHITE_SPACE
    MODIFIER_LIST
      <empty list>
    TYPE
      JAVA_CODE_REFERENCE
        IDENTIFIER
        REFERENCE_PARAMETER_LIST
          <empty list>
    ERROR_ELEMENT
      <empty list>
    SEMICOLON
    WHITE_SPACE
    FIELD
      MODIFIER_LIST
        PUBLIC_KEYWORD
      WHITE_SPACE
      TYPE
        JAVA_CODE_REFERENCE
          IDENTIFIER
          REFERENCE_PARAMETER_LIST
            <empty list>
      WHITE_SPACE
      IDENTIFIER
      SEMICOLON
    WHITE_SPACE
    ERROR_ELEMENT
      LBRACE
    WHITE_SPACE
    METHOD
      MODIFIER_LIST
        <empty list>
      TYPE_PARAMETER_LIST
        <empty list>
      TYPE
        VOID_KEYWORD
      WHITE_SPACE
      IDENTIFIER
      PARAMETER_LIST
        LPARENTH
        RPARENTH
      THROWS_LIST
        <empty list>
      WHITE_SPACE
      CODE_BLOCK
        LBRACE
        RBRACE
    WHITE_SPACE
    ERROR_ELEMENT
      RBRACE