@provide({ context: someContext })
@state()
private _someData = 0

error TS2345: Argument of type 'MyComponent' is not assignable to parameter of type 'ReactiveElement & Record<"_someData", number>'.
  Type 'MyComponent' is not assignable to type 'Record<"_someData", number>'.
    Property '_someData' is private in type 'MyComponent' but not in type 'Record<"_someData", number>'.

89     @provide({ context: someContext })