fix types...

packages/core/src/integration.ts

@@ -166,12 +166,6 @@ function findIndex<T>(arr: T[], callback: (item: T) => boolean): number {
   return -1;
 }
 
-// We want to ensure that any Integration Class generated by `convertIntegrationFnToClass`
-// can be called with or without setupOnce arguments.
-interface IntegrationWithoutSetupOnce extends Integration {
-  setupOnce: (addGlobalEventProcessor?: (callback: EventProcessor) => void, getCurrentHub?: () => Hub) => void;
-}
-
 /**
  * Convert a new integration function to the legacy class syntax.
  * In v8, we can remove this and instead export the integration functions directly.
@@ -181,7 +175,11 @@ interface IntegrationWithoutSetupOnce extends Integration {
 export function convertIntegrationFnToClass<Fn extends IntegrationFn>(
   name: string,
   fn: Fn,
-): IntegrationClass<IntegrationWithoutSetupOnce> {
+): IntegrationClass<
+  Integration & {
+    setupOnce: (addGlobalEventProcessor?: (callback: EventProcessor) => void, getCurrentHub?: () => Hub) => void;
+  }
+> {
   return Object.assign(
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     function ConvertedIntegration(...rest: any[]) {
@@ -192,5 +190,9 @@ export function convertIntegrationFnToClass<Fn extends IntegrationFn>(
       };
     },
     { id: name },
-  ) as unknown as IntegrationClass<IntegrationWithoutSetupOnce>;
+  ) as unknown as IntegrationClass<
+    Integration & {
+      setupOnce: (addGlobalEventProcessor?: (callback: EventProcessor) => void, getCurrentHub?: () => Hub) => void;
+    }
+  >;
 }