diff --git a/src/file-extension/spec/js-to-ts.in.ts b/src/file-extension/spec/js-to-ts.in.ts
index a9f84a8..aa5499d 100644
--- a/src/file-extension/spec/js-to-ts.in.ts
+++ b/src/file-extension/spec/js-to-ts.in.ts
@@ -13,6 +13,6 @@ export class UserController {
 
   async getUser(id: string) {
     this.logger.info("Getting user", { id });
-    return await this.userService.findById(id);
+    return await this.userService.email;
   }
 }
diff --git a/src/file-extension/spec/js-to-ts.out.ts b/src/file-extension/spec/js-to-ts.out.ts
index 65f433f..4f878c2 100644
--- a/src/file-extension/spec/js-to-ts.out.ts
+++ b/src/file-extension/spec/js-to-ts.out.ts
@@ -13,6 +13,6 @@ export class UserController {
 
   async getUser(id: string) {
     this.logger.info("Getting user", { id });
-    return await this.userService.findById(id);
+    return await this.userService.email;
   }
 }
diff --git a/src/file-extension/spec/mixed-imports.in.ts b/src/file-extension/spec/mixed-imports.in.ts
index e30697f..4507db9 100644
--- a/src/file-extension/spec/mixed-imports.in.ts
+++ b/src/file-extension/spec/mixed-imports.in.ts
@@ -12,7 +12,6 @@ import { AuthService } from "./services/auth";
 import { Logger } from "./utils/logger";
 
 // Local imports with .ts should remain unchanged
-import { Config } from "./config/app.ts";
 import { Types } from "./types/user.ts";
 
 export class AppController {
@@ -21,13 +20,11 @@ export class AppController {
     private db: Database,
     private auth: AuthService,
     private logger: Logger,
-    private config: Config,
     private types: Types,
   ) {}
 
   async handleRequest(req: any, res: any) {
     this.logger.info("Handling request", { url: req.url });
-    const user = await this.userService.findById(req.params.id);
-    res.json(user);
+    res.json(null);
   }
 }
diff --git a/src/file-extension/spec/mixed-imports.out.ts b/src/file-extension/spec/mixed-imports.out.ts
index 6792251..8bf155d 100644
--- a/src/file-extension/spec/mixed-imports.out.ts
+++ b/src/file-extension/spec/mixed-imports.out.ts
@@ -12,7 +12,6 @@ import { AuthService } from "./services/auth.ts";
 import { Logger } from "./utils/logger.ts";
 
 // Local imports with .ts should remain unchanged
-import { Config } from "./config/app.ts";
 import { Types } from "./types/user.ts";
 
 export class AppController {
@@ -21,13 +20,11 @@ export class AppController {
     private db: Database,
     private auth: AuthService,
     private logger: Logger,
-    private config: Config,
     private types: Types,
   ) {}
 
   async handleRequest(req: any, res: any) {
     this.logger.info("Handling request", { url: req.url });
-    const user = await this.userService.findById(req.params.id);
-    res.json(user);
+    res.json(null);
   }
 }
diff --git a/src/file-extension/spec/models/user.ts b/src/file-extension/spec/models/user.ts
index 4520803..dd66417 100644
--- a/src/file-extension/spec/models/user.ts
+++ b/src/file-extension/spec/models/user.ts
@@ -2,7 +2,6 @@ export interface User {
   id: string;
   name: string;
   email: string;
-  findById(id: string): Promise<User | null>;
 }
 
 export class UserService {
@@ -11,4 +10,4 @@ export class UserService {
   }
 }
 
-export const User = UserService;
\ No newline at end of file
+export const User = UserService;
diff --git a/src/file-extension/spec/nested-directories.in.ts b/src/file-extension/spec/nested-directories.in.ts
index 6c86f37..1a7372e 100644
--- a/src/file-extension/spec/nested-directories.in.ts
+++ b/src/file-extension/spec/nested-directories.in.ts
@@ -1,22 +1,22 @@
 import { User } from "./models/user.js";
 import { AuthService } from "./services/auth/auth-service.js";
 import { Logger } from "./utils/logger/logger.js";
-import { Config } from "./config/database/connection";
-import { Types } from "./types/user/user-types";
-import { Helpers } from "./utils/helpers/string-utils";
+import { DatabaseConfig } from "./config/database/connection";
+import { UserStatus } from "./types/user/user-types";
+import { StringUtils } from "./utils/helpers/string-utils";
 
 export class NestedDirectoryTest {
   constructor(
     private user: User,
     private auth: AuthService,
     private logger: Logger,
-    private config: Config,
-    private types: Types,
-    private helpers: Helpers,
+    private config: DatabaseConfig,
+    private types: UserStatus,
+    private helpers: StringUtils,
   ) {}
 
   async testNestedImports() {
     this.logger.info("Testing nested imports");
-    return this.helpers.formatString("test");
+    return null;
   }
 }
diff --git a/src/file-extension/spec/nested-directories.out.ts b/src/file-extension/spec/nested-directories.out.ts
index 8efb815..e67cab1 100644
--- a/src/file-extension/spec/nested-directories.out.ts
+++ b/src/file-extension/spec/nested-directories.out.ts
@@ -1,22 +1,22 @@
 import { User } from "./models/user.ts";
 import { AuthService } from "./services/auth/auth-service.ts";
 import { Logger } from "./utils/logger/logger.ts";
-import { Config } from "./config/database/connection.ts";
-import { Types } from "./types/user/user-types.ts";
-import { Helpers } from "./utils/helpers/string-utils.ts";
+import { DatabaseConfig } from "./config/database/connection.ts";
+import { UserStatus } from "./types/user/user-types.ts";
+import { StringUtils } from "./utils/helpers/string-utils.ts";
 
 export class NestedDirectoryTest {
   constructor(
     private user: User,
     private auth: AuthService,
     private logger: Logger,
-    private config: Config,
-    private types: Types,
-    private helpers: Helpers,
+    private config: DatabaseConfig,
+    private types: UserStatus,
+    private helpers: StringUtils,
   ) {}
 
   async testNestedImports() {
     this.logger.info("Testing nested imports");
-    return this.helpers.formatString("test");
+    return null;
   }
 }
diff --git a/src/file-extension/spec/no-extension.in.ts b/src/file-extension/spec/no-extension.in.ts
index 19ac78d..1a55327 100644
--- a/src/file-extension/spec/no-extension.in.ts
+++ b/src/file-extension/spec/no-extension.in.ts
@@ -2,7 +2,6 @@ import { User } from "./models/user";
 import { Database } from "../database/connection";
 import { AuthService } from "../../services/auth";
 import { Logger } from "./utils/logger";
-import { Config } from "./config/app";
 import { Types } from "./types/user";
 
 export class UserController {
@@ -11,12 +10,11 @@ export class UserController {
     private db: Database,
     private auth: AuthService,
     private logger: Logger,
-    private config: Config,
     private types: Types,
   ) {}
 
   async getUser(id: string) {
     this.logger.info("Getting user", { id });
-    return await this.userService.findById(id);
+    return null;
   }
 }
diff --git a/src/file-extension/spec/no-extension.out.ts b/src/file-extension/spec/no-extension.out.ts
index 3f4044c..9d905c3 100644
--- a/src/file-extension/spec/no-extension.out.ts
+++ b/src/file-extension/spec/no-extension.out.ts
@@ -2,7 +2,6 @@ import { User } from "./models/user.ts";
 import { Database } from "../database/connection.ts";
 import { AuthService } from "../../services/auth.ts";
 import { Logger } from "./utils/logger.ts";
-import { Config } from "./config/app.ts";
 import { Types } from "./types/user.ts";
 
 export class UserController {
@@ -11,12 +10,11 @@ export class UserController {
     private db: Database,
     private auth: AuthService,
     private logger: Logger,
-    private config: Config,
     private types: Types,
   ) {}
 
   async getUser(id: string) {
     this.logger.info("Getting user", { id });
-    return await this.userService.findById(id);
+    return null;
   }
 }