fix(mixins): ensure we do not lose type of withAuthFinder

index.ts

@@ -14,6 +14,7 @@ export { AuthManager } from './src/auth_manager.js'
 export { defineConfig } from './src/define_config.js'
 export { Authenticator } from './src/authenticator.js'
 export { AuthenticatorClient } from './src/authenticator_client.js'
+import type { withAuthFinder as withAuthFinderType } from './src/mixins/with_auth_finder.js'
 
 function isModuleInstalled(moduleName: string) {
   try {
@@ -25,10 +26,11 @@ function isModuleInstalled(moduleName: string) {
 }
 
 // @deprecate Import `withAuthFinder` from `@adonisjs/auth/mixins` instead
-let withAuthFinder
+let withAuthFinder: typeof withAuthFinderType
 
 if (isModuleInstalled('@adonisjs/lucid')) {
-  withAuthFinder = await import('./src/mixins/with_auth_finder.js')
+  const { withAuthFinder: withAuthFinderFn } = await import('./src/mixins/with_auth_finder.js')
+  withAuthFinder = withAuthFinderFn
 }
 
 export { withAuthFinder }