call a protected method on an instance of a class in typescript

index.ts
In TypeScript, you can call a protected method on an instance of a class by following the steps below:

1. Create a class that contains a protected method. For example:

    ```typescript
    class MyClass {
        protected myMethod() {
            console.log("Hello, World!");
        }
    }
    ```

2. Create an instance of the class.

    ```typescript
    const myInstance = new MyClass();
    ```

3. Call the protected method on the instance.

    ```typescript
    myInstance.myMethod();
    ```

Note that you can only call a protected method from within the class or its subclasses. If you try to call the protected method from outside the class or its subclasses, you will get a compilation error.

```typescript
class MyOtherClass {
    public callMyMethod(instance: MyClass) {
        instance.myMethod(); // compilation error
    }
}
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