MODULE@0..43
  EXPR_STMT@0..42
    ARROW_EXPR@0..42
      PARAMETER_LIST@0..2
        L_PAREN@0..1 "("
        R_PAREN@1..2 ")"
      WHITESPACE@2..3 " "
      FAT_ARROW@3..5 "=>"
      WHITESPACE@5..6 " "
      BLOCK_STMT@6..42
        L_CURLY@6..7 "{"
        WHITESPACE@7..10 "\n  "
        RETURN_STMT@10..17
          RETURN_KW@10..16 "return"
          SEMICOLON@16..17 ";"
        WHITESPACE@17..20 "\n  "
        RETURN_STMT@20..31
          RETURN_KW@20..26 "return"
          WHITESPACE@26..27 " "
          NAME_REF@27..30
            IDENT@27..30 "foo"
          SEMICOLON@30..31 ";"
        WHITESPACE@31..34 "\n  "
        RETURN_STMT@34..40
          RETURN_KW@34..40 "return"
        WHITESPACE@40..41 "\n"
        R_CURLY@41..42 "}"
  WHITESPACE@42..43 "\n"