JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsClassDeclaration {
            decorators: JsDecoratorList [],
            abstract_token: missing (optional),
            class_token: CLASS_KW@0..6 "class" [] [Whitespace(" ")],
            id: JsIdentifierBinding {
                name_token: IDENT@6..8 "A" [] [Whitespace(" ")],
            },
            type_parameters: missing (optional),
            extends_clause: missing (optional),
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@8..10 "{" [] [Whitespace(" ")],
            members: JsClassMemberList [
                JsMethodClassMember {
                    modifiers: JsMethodModifierList [],
                    async_token: missing (optional),
                    star_token: missing (optional),
                    name: JsLiteralMemberName {
                        value: IDENT@10..14 "test" [] [],
                    },
                    question_mark_token: QUESTION@14..15 "?" [] [],
                    type_parameters: missing (optional),
                    parameters: JsParameters {
                        l_paren_token: L_PAREN@15..16 "(" [] [],
                        items: JsParameterList [],
                        r_paren_token: R_PAREN@16..18 ")" [] [Whitespace(" ")],
                    },
                    return_type_annotation: missing (optional),
                    body: JsFunctionBody {
                        l_curly_token: L_CURLY@18..19 "{" [] [],
                        directives: JsDirectiveList [],
                        statements: JsStatementList [],
                        r_curly_token: R_CURLY@19..21 "}" [] [Whitespace(" ")],
                    },
                },
            ],
            r_curly_token: R_CURLY@21..22 "}" [] [],
        },
    ],
    eof_token: EOF@22..23 "" [Newline("\n")] [],
}

0: JS_MODULE@0..23
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..22
    0: JS_CLASS_DECLARATION@0..22
      0: JS_DECORATOR_LIST@0..0
      1: (empty)
      2: CLASS_KW@0..6 "class" [] [Whitespace(" ")]
      3: JS_IDENTIFIER_BINDING@6..8
        0: IDENT@6..8 "A" [] [Whitespace(" ")]
      4: (empty)
      5: (empty)
      6: (empty)
      7: L_CURLY@8..10 "{" [] [Whitespace(" ")]
      8: JS_CLASS_MEMBER_LIST@10..21
        0: JS_METHOD_CLASS_MEMBER@10..21
          0: JS_METHOD_MODIFIER_LIST@10..10
          1: (empty)
          2: (empty)
          3: JS_LITERAL_MEMBER_NAME@10..14
            0: IDENT@10..14 "test" [] []
          4: QUESTION@14..15 "?" [] []
          5: (empty)
          6: JS_PARAMETERS@15..18
            0: L_PAREN@15..16 "(" [] []
            1: JS_PARAMETER_LIST@16..16
            2: R_PAREN@16..18 ")" [] [Whitespace(" ")]
          7: (empty)
          8: JS_FUNCTION_BODY@18..21
            0: L_CURLY@18..19 "{" [] []
            1: JS_DIRECTIVE_LIST@19..19
            2: JS_STATEMENT_LIST@19..19
            3: R_CURLY@19..21 "}" [] [Whitespace(" ")]
      9: R_CURLY@21..22 "}" [] []
  4: EOF@22..23 "" [Newline("\n")] []