SOURCE_FILE
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    PATH_META
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "simple_ident"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    PATH_META
      PATH
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "simple"
        COLON2 "::"
        PATH_SEGMENT
          NAME_REF
            IDENT "path"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    KEY_VALUE_META
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "simple_ident_expr"
      WHITESPACE " "
      EQ "="
      WHITESPACE " "
      LITERAL
        STRING "\"\""
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    KEY_VALUE_META
      PATH
        PATH
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "simple"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "path"
        COLON2 "::"
        PATH_SEGMENT
          NAME_REF
            IDENT "Expr"
      WHITESPACE " "
      EQ "="
      WHITESPACE " "
      LITERAL
        STRING "\"\""
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    TOKEN_TREE_META
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "simple_ident_tt"
      TOKEN_TREE
        L_PAREN "("
        IDENT "a"
        WHITESPACE " "
        IDENT "b"
        WHITESPACE " "
        IDENT "c"
        R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    TOKEN_TREE_META
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "simple_ident_tt"
      TOKEN_TREE
        L_BRACK "["
        IDENT "a"
        WHITESPACE " "
        IDENT "b"
        WHITESPACE " "
        IDENT "c"
        R_BRACK "]"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    TOKEN_TREE_META
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "simple_ident_tt"
      TOKEN_TREE
        L_CURLY "{"
        IDENT "a"
        WHITESPACE " "
        IDENT "b"
        WHITESPACE " "
        IDENT "c"
        R_CURLY "}"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    TOKEN_TREE_META
      PATH
        PATH
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "simple"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "path"
        COLON2 "::"
        PATH_SEGMENT
          NAME_REF
            IDENT "tt"
      TOKEN_TREE
        L_PAREN "("
        IDENT "a"
        WHITESPACE " "
        IDENT "b"
        WHITESPACE " "
        IDENT "c"
        R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    TOKEN_TREE_META
      PATH
        PATH
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "simple"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "path"
        COLON2 "::"
        PATH_SEGMENT
          NAME_REF
            IDENT "tt"
      TOKEN_TREE
        L_BRACK "["
        IDENT "a"
        WHITESPACE " "
        IDENT "b"
        WHITESPACE " "
        IDENT "c"
        R_BRACK "]"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    TOKEN_TREE_META
      PATH
        PATH
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "simple"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "path"
        COLON2 "::"
        PATH_SEGMENT
          NAME_REF
            IDENT "tt"
      TOKEN_TREE
        L_CURLY "{"
        IDENT "a"
        WHITESPACE " "
        IDENT "b"
        WHITESPACE " "
        IDENT "c"
        R_CURLY "}"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      PATH_META
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "simple_ident"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      PATH_META
        PATH
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "simple"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "path"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      KEY_VALUE_META
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "simple_ident_expr"
        WHITESPACE " "
        EQ "="
        WHITESPACE " "
        LITERAL
          STRING "\"\""
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      KEY_VALUE_META
        PATH
          PATH
            PATH
              PATH_SEGMENT
                NAME_REF
                  IDENT "simple"
            COLON2 "::"
            PATH_SEGMENT
              NAME_REF
                IDENT "path"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "Expr"
        WHITESPACE " "
        EQ "="
        WHITESPACE " "
        LITERAL
          STRING "\"\""
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      TOKEN_TREE_META
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "simple_ident_tt"
        TOKEN_TREE
          L_PAREN "("
          IDENT "a"
          WHITESPACE " "
          IDENT "b"
          WHITESPACE " "
          IDENT "c"
          R_PAREN ")"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      TOKEN_TREE_META
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "simple_ident_tt"
        TOKEN_TREE
          L_BRACK "["
          IDENT "a"
          WHITESPACE " "
          IDENT "b"
          WHITESPACE " "
          IDENT "c"
          R_BRACK "]"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      TOKEN_TREE_META
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "simple_ident_tt"
        TOKEN_TREE
          L_CURLY "{"
          IDENT "a"
          WHITESPACE " "
          IDENT "b"
          WHITESPACE " "
          IDENT "c"
          R_CURLY "}"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      TOKEN_TREE_META
        PATH
          PATH
            PATH
              PATH_SEGMENT
                NAME_REF
                  IDENT "simple"
            COLON2 "::"
            PATH_SEGMENT
              NAME_REF
                IDENT "path"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "tt"
        TOKEN_TREE
          L_PAREN "("
          IDENT "a"
          WHITESPACE " "
          IDENT "b"
          WHITESPACE " "
          IDENT "c"
          R_PAREN ")"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      TOKEN_TREE_META
        PATH
          PATH
            PATH
              PATH_SEGMENT
                NAME_REF
                  IDENT "simple"
            COLON2 "::"
            PATH_SEGMENT
              NAME_REF
                IDENT "path"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "tt"
        TOKEN_TREE
          L_BRACK "["
          IDENT "a"
          WHITESPACE " "
          IDENT "b"
          WHITESPACE " "
          IDENT "c"
          R_BRACK "]"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    UNSAFE_META
      UNSAFE_KW "unsafe"
      L_PAREN "("
      TOKEN_TREE_META
        PATH
          PATH
            PATH
              PATH_SEGMENT
                NAME_REF
                  IDENT "simple"
            COLON2 "::"
            PATH_SEGMENT
              NAME_REF
                IDENT "path"
          COLON2 "::"
          PATH_SEGMENT
            NAME_REF
              IDENT "tt"
        TOKEN_TREE
          L_CURLY "{"
          IDENT "a"
          WHITESPACE " "
          IDENT "b"
          WHITESPACE " "
          IDENT "c"
          R_CURLY "}"
      R_PAREN ")"
    R_BRACK "]"
  WHITESPACE "\n"
