diff --git a/src/Schema/MobX/ObservableClass.ts b/src/Schema/MobX/ObservableClass.ts
index 61243c7..0b7cabe 100644
--- a/src/Schema/MobX/ObservableClass.ts
+++ b/src/Schema/MobX/ObservableClass.ts
@@ -3,12 +3,12 @@ import { makeObservable, observable, type CreateObservableOptions } from "mobx"
 import { mapValues } from "remeda"
 
 
-interface ObservableClassSelf {
+export interface ObservableClassSelf {
     new(...args: any[]): Schema.Struct.Type<Schema.Struct.Fields>
     readonly fields: { readonly [K in keyof Schema.Struct.Fields]: Schema.Struct.Fields[K] }
 }
 
-interface ObservableClassOptions extends Omit<CreateObservableOptions, "proxy"> {}
+export interface ObservableClassOptions extends Omit<CreateObservableOptions, "proxy"> {}
 
 export const ObservableClass = (options?: ObservableClassOptions) =>
     <Self extends ObservableClassSelf>(self: Self) =>