JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsForInStatement {
            for_token: FOR_KW@0..4 "for" [] [Whitespace(" ")],
            l_paren_token: L_PAREN@4..5 "(" [] [],
            initializer: JsArrayAssignmentPattern {
                l_brack_token: L_BRACK@5..6 "[" [] [],
                elements: JsArrayAssignmentPatternElementList [
                    JsArrayAssignmentPatternElement {
                        pattern: JsIdentifierAssignment {
                            name_token: IDENT@6..8 "a" [] [Whitespace(" ")],
                        },
                        init: JsInitializerClause {
                            eq_token: EQ@8..10 "=" [] [Whitespace(" ")],
                            expression: JsInExpression {
                                property: JsStringLiteralExpression {
                                    value_token: JS_STRING_LITERAL@10..14 "\"a\"" [] [Whitespace(" ")],
                                },
                                in_token: IN_KW@14..17 "in" [] [Whitespace(" ")],
                                object: JsObjectExpression {
                                    l_curly_token: L_CURLY@17..18 "{" [] [],
                                    members: JsObjectMemberList [],
                                    r_curly_token: R_CURLY@18..19 "}" [] [],
                                },
                            },
                        },
                    },
                ],
                r_brack_token: R_BRACK@19..21 "]" [] [Whitespace(" ")],
            },
            in_token: IN_KW@21..24 "in" [] [Whitespace(" ")],
            expression: JsArrayExpression {
                l_brack_token: L_BRACK@24..25 "[" [] [],
                elements: JsArrayElementList [],
                r_brack_token: R_BRACK@25..26 "]" [] [],
            },
            r_paren_token: R_PAREN@26..28 ")" [] [Whitespace(" ")],
            body: JsBlockStatement {
                l_curly_token: L_CURLY@28..29 "{" [] [],
                statements: JsStatementList [],
                r_curly_token: R_CURLY@29..30 "}" [] [],
            },
        },
    ],
    eof_token: EOF@30..31 "" [Newline("\n")] [],
}

0: JS_MODULE@0..31
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..30
    0: JS_FOR_IN_STATEMENT@0..30
      0: FOR_KW@0..4 "for" [] [Whitespace(" ")]
      1: L_PAREN@4..5 "(" [] []
      2: JS_ARRAY_ASSIGNMENT_PATTERN@5..21
        0: L_BRACK@5..6 "[" [] []
        1: JS_ARRAY_ASSIGNMENT_PATTERN_ELEMENT_LIST@6..19
          0: JS_ARRAY_ASSIGNMENT_PATTERN_ELEMENT@6..19
            0: JS_IDENTIFIER_ASSIGNMENT@6..8
              0: IDENT@6..8 "a" [] [Whitespace(" ")]
            1: JS_INITIALIZER_CLAUSE@8..19
              0: EQ@8..10 "=" [] [Whitespace(" ")]
              1: JS_IN_EXPRESSION@10..19
                0: JS_STRING_LITERAL_EXPRESSION@10..14
                  0: JS_STRING_LITERAL@10..14 "\"a\"" [] [Whitespace(" ")]
                1: IN_KW@14..17 "in" [] [Whitespace(" ")]
                2: JS_OBJECT_EXPRESSION@17..19
                  0: L_CURLY@17..18 "{" [] []
                  1: JS_OBJECT_MEMBER_LIST@18..18
                  2: R_CURLY@18..19 "}" [] []
        2: R_BRACK@19..21 "]" [] [Whitespace(" ")]
      3: IN_KW@21..24 "in" [] [Whitespace(" ")]
      4: JS_ARRAY_EXPRESSION@24..26
        0: L_BRACK@24..25 "[" [] []
        1: JS_ARRAY_ELEMENT_LIST@25..25
        2: R_BRACK@25..26 "]" [] []
      5: R_PAREN@26..28 ")" [] [Whitespace(" ")]
      6: JS_BLOCK_STATEMENT@28..30
        0: L_CURLY@28..29 "{" [] []
        1: JS_STATEMENT_LIST@29..29
        2: R_CURLY@29..30 "}" [] []
  4: EOF@30..31 "" [Newline("\n")] []