JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsClassDeclaration {
            decorators: JsDecoratorList [
                JsDecorator {
                    at_token: AT@0..1 "@" [] [],
                    expression: JsIdentifierExpression {
                        name: JsReferenceIdentifier {
                            value_token: IDENT@1..10 "decorator" [] [],
                        },
                    },
                },
            ],
            abstract_token: missing (optional),
            class_token: CLASS_KW@10..17 "class" [Newline("\n")] [Whitespace(" ")],
            id: JsIdentifierBinding {
                name_token: IDENT@17..21 "Foo" [] [Whitespace(" ")],
            },
            type_parameters: missing (optional),
            extends_clause: missing (optional),
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@21..23 "{" [] [Whitespace(" ")],
            members: JsClassMemberList [],
            r_curly_token: R_CURLY@23..24 "}" [] [],
        },
    ],
    eof_token: EOF@24..25 "" [Newline("\n")] [],
}

0: JS_MODULE@0..25
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..24
    0: JS_CLASS_DECLARATION@0..24
      0: JS_DECORATOR_LIST@0..10
        0: JS_DECORATOR@0..10
          0: AT@0..1 "@" [] []
          1: JS_IDENTIFIER_EXPRESSION@1..10
            0: JS_REFERENCE_IDENTIFIER@1..10
              0: IDENT@1..10 "decorator" [] []
      1: (empty)
      2: CLASS_KW@10..17 "class" [Newline("\n")] [Whitespace(" ")]
      3: JS_IDENTIFIER_BINDING@17..21
        0: IDENT@17..21 "Foo" [] [Whitespace(" ")]
      4: (empty)
      5: (empty)
      6: (empty)
      7: L_CURLY@21..23 "{" [] [Whitespace(" ")]
      8: JS_CLASS_MEMBER_LIST@23..23
      9: R_CURLY@23..24 "}" [] []
  4: EOF@24..25 "" [Newline("\n")] []