Add Dependency Injection example and core interfaces. Implement Inject class for managing scopes and instances, along with InstanceProvider, IntegerConstantProvider, and StringConstantProvider for dependency resolution.

src/di/IntegerConstantProvider.ts

@@ -0,0 +1,33 @@
+/**
+ * Copyright 2025 Phenix Real Time Solutions, Inc. Confidential and Proprietary. All Rights Reserved.
+ */
+
+import type {IDependencyProvider} from './IDependencyProvider';
+import {Type} from './Type';
+import {NamedType} from './NamedType';
+
+/**
+ * A dependency provider for integer constants.
+ * Uses NamedType where the name is parsed as an integer.
+ */
+export class IntegerConstantProvider implements IDependencyProvider {
+  public canProvide(type: Type): boolean {
+    if (!(type instanceof Type)) {
+      throw new Error('Must provide a valid type');
+    }
+
+    return type instanceof NamedType && type.getType() === 'di/IntegerConstantProvider';
+  }
+
+  public async provide(type: Type): Promise<number> {
+    if (!(type instanceof NamedType)) {
+      throw new Error('Must provide a NamedType');
+    }
+
+    return parseInt(type.getName(), 10);
+  }
+
+  public toString(): string {
+    return 'IntegerConstantProvider';
+  }
+}