java.FILE
  PACKAGE_STATEMENT
    PACKAGE_KEYWORD
    WHITE_SPACE
    JAVA_CODE_REFERENCE
      IDENTIFIER
      REFERENCE_PARAMETER_LIST
        <empty list>
    SEMICOLON
  WHITE_SPACE
  IMPORT_LIST
    <empty list>
  CLASS
    MODIFIER_LIST
      PUBLIC_KEYWORD
    WHITE_SPACE
    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>
      SEMICOLON
    WHITE_SPACE
    MODIFIER_LIST
      ANNOTATION
        AT
        JAVA_CODE_REFERENCE
          IDENTIFIER
          REFERENCE_PARAMETER_LIST
            <empty list>
        ANNOTATION_PARAMETER_LIST
          <empty list>
    ERROR_ELEMENT
      <empty list>
    WHITE_SPACE
    RBRACE