Audit complex types carried over in #2634

[LukeAbby]

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For example

• convert to interfaces
• Look at the typing of stuff like:

static override create<
  T extends VisualEffectsMaskingFilter,
  Options extends VisualEffectsMaskingFilter.CreateOptions<Options>,
>(this: ConstructorOf<T>, { filterMode, postProcessModes, ...uniforms }?: Options): T;