error[no-slow-types]: super class expression was too complex

x deno lint
error[no-slow-types]: super class expression was too complex
  |
7 |   extends Schema.TaggedError<FirebaseError>("FirebaseError")("FirebaseError", {
  |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
8 |     error: Schema.Unknown,
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
9 |   }) {}
  | ^^^^ this is the superclass expression
  |
  = hint: extract the superclass expression into a variable

  info: fast check was unable to infer the type of the superclass expression
  docs: https://jsr.io/go/slow-type-unsupported-super-class-expr

export class FirebaseError
  extends Schema.TaggedError<FirebaseError>("FirebaseError")("FirebaseError", {
    error: Schema.Unknown,
  }) {}

  interface ISuperClass {}

  function getSuperClass() {
    return class SuperClass implements ISuperClass {};
  }

- export class MyClass extends getSuperClass() {}
+ const SuperClass: ISuperClass = getSuperClass();
+ export class MyClass extends SuperClass {}

export class Firebase extends Effect.Service<Firebase>()("Firebase", {
  effect: Effect.gen(function* () {}){}