java.FILE
  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
        <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
        WHITE_SPACE
        DECLARATION_STATEMENT
          LOCAL_VARIABLE
            MODIFIER_LIST
              <empty list>
            TYPE
              JAVA_CODE_REFERENCE
                IDENTIFIER
                REFERENCE_PARAMETER_LIST
                  <empty list>
            WHITE_SPACE
            IDENTIFIER
            WHITE_SPACE
            EQ
            WHITE_SPACE
            LAMBDA_EXPRESSION
              PARAMETER_LIST
                PARAMETER
                  MODIFIER_LIST
                    <empty list>
                  IDENTIFIER
              WHITE_SPACE
              ARROW
              WHITE_SPACE
              REFERENCE_EXPRESSION
                REFERENCE_PARAMETER_LIST
                  <empty list>
                IDENTIFIER
            SEMICOLON
        WHITE_SPACE
        DECLARATION_STATEMENT
          LOCAL_VARIABLE
            MODIFIER_LIST
              <empty list>
            TYPE
              JAVA_CODE_REFERENCE
                IDENTIFIER
                REFERENCE_PARAMETER_LIST
                  <empty list>
            WHITE_SPACE
            IDENTIFIER
            WHITE_SPACE
            EQ
            WHITE_SPACE
            LAMBDA_EXPRESSION
              PARAMETER_LIST
                LPARENTH
                PARAMETER
                  MODIFIER_LIST
                    <empty list>
                  IDENTIFIER
                RPARENTH
              WHITE_SPACE
              ARROW
              WHITE_SPACE
              REFERENCE_EXPRESSION
                REFERENCE_PARAMETER_LIST
                  <empty list>
                IDENTIFIER
            SEMICOLON
        WHITE_SPACE
        DECLARATION_STATEMENT
          LOCAL_VARIABLE
            MODIFIER_LIST
              <empty list>
            TYPE
              JAVA_CODE_REFERENCE
                IDENTIFIER
                REFERENCE_PARAMETER_LIST
                  <empty list>
            WHITE_SPACE
            IDENTIFIER
            WHITE_SPACE
            EQ
            WHITE_SPACE
            LAMBDA_EXPRESSION
              PARAMETER_LIST
                LPARENTH
                PARAMETER
                  MODIFIER_LIST
                    <empty list>
                  TYPE
                    INT_KEYWORD
                  WHITE_SPACE
                  IDENTIFIER
                RPARENTH
              WHITE_SPACE
              ARROW
              WHITE_SPACE
              REFERENCE_EXPRESSION
                REFERENCE_PARAMETER_LIST
                  <empty list>
                IDENTIFIER
            SEMICOLON
        WHITE_SPACE
        DECLARATION_STATEMENT
          LOCAL_VARIABLE
            MODIFIER_LIST
              <empty list>
            TYPE
              JAVA_CODE_REFERENCE
                IDENTIFIER
                REFERENCE_PARAMETER_LIST
                  <empty list>
            WHITE_SPACE
            IDENTIFIER
            WHITE_SPACE
            EQ
            WHITE_SPACE
            LAMBDA_EXPRESSION
              PARAMETER_LIST
                PARAMETER
                  MODIFIER_LIST
                    <empty list>
                  IDENTIFIER
              WHITE_SPACE
              ARROW
              WHITE_SPACE
              REFERENCE_EXPRESSION
                REFERENCE_PARAMETER_LIST
                  <empty list>
                IDENTIFIER
            SEMICOLON
        WHITE_SPACE
        RBRACE
    WHITE_SPACE
    CLASS
      MODIFIER_LIST
        <empty list>
      INTERFACE_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
          <empty list>
        TYPE_PARAMETER_LIST
          <empty list>
        TYPE
          INT_KEYWORD
        WHITE_SPACE
        IDENTIFIER
        PARAMETER_LIST
          LPARENTH
          PARAMETER
            MODIFIER_LIST
              <empty list>
            TYPE
              INT_KEYWORD
            WHITE_SPACE
            IDENTIFIER
          RPARENTH
        THROWS_LIST
          <empty list>
        SEMICOLON
      WHITE_SPACE
      RBRACE
    WHITE_SPACE
    RBRACE