Refactor Dependency Injection classes to use named imports for Type and interfaces. Change export statements from default to named exports for DependencyManager, DependencyProvider, IDependencyManager, IDependencyProvider, and NamedType classes.

src/di/DependencyManager.ts

@@ -1,13 +1,13 @@
-import type IDependencyProvider from './IDependencyProvider';
+import type {IDependencyProvider} from './IDependencyProvider';
 import type IDisposable from '../lang/IDisposable';
 import Disposable from '../lang/Disposable';
-import Type from './Type';
-import type IDependencyManager from './IDependencyManager';
+import {Type} from './Type';
+import type {IDependencyManager} from './IDependencyManager';
 
 type Constructor<T = unknown> = new (...args: unknown[]) => T;
 type ModuleLoader = (modulePath: string) => Promise<Constructor | {default: Constructor}>;
 
-export default class DependencyManager implements IDependencyManager {
+export class DependencyManager implements IDependencyManager {
   private readonly _moduleLoader: ModuleLoader;
   private readonly _types: Type[];
   private readonly _eagerTypes: Type[];