java.FILE
  PACKAGE_STATEMENT
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    WHITE_SPACE
    JAVA_CODE_REFERENCE
      IDENTIFIER
      REFERENCE_PARAMETER_LIST
        <empty list>
    SEMICOLON
  WHITE_SPACE
  IMPORT_LIST
    <empty list>
  CLASS
    END_OF_LINE_COMMENT
    WHITE_SPACE
    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
    RBRACE