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    interpreter_token: missing (optional),
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            type_parameters: missing (optional),
            extends_clause: missing (optional),
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@8..9 "{" [] [],
            members: JsClassMemberList [
                JsBogusMember {
                    items: [
                        JsPropertyModifierList [],
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                        JsBogus {
                            items: [
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                                    string_token: STRING_KW@14..20 "string" [] [],
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                    items: [
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--
js_class_property_with_ts_annotation.js:2:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × return types can only be used in TypeScript files
  
    1 │ class A {
  > 2 │  a: string;
      │   ^^^^^^^^
    3 │  b?: string;
    4 │  c!: string
  
  i remove this type annotation
  
--
js_class_property_with_ts_annotation.js:3:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × `?` modifiers can only be used in TypeScript files
  
    1 │ class A {
    2 │  a: string;
  > 3 │  b?: string;
      │   ^
    4 │  c!: string
    5 │ }
  
--
js_class_property_with_ts_annotation.js:4:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × `!` modifiers can only be used in TypeScript files
  
    2 │  a: string;
    3 │  b?: string;
  > 4 │  c!: string
      │   ^
    5 │ }
    6 │ 
  
--
class A {
 a: string;
 b?: string;
 c!: string
}