fixes(adding the license and correcting the spaces)

Author: Samruddhi90

packages/remote-config/src/api.ts

@@ -354,6 +354,7 @@ export async function setCustomSignals(
     );
   }
 }
+
 /**
  * Registers a real-time listener for Remote Config updates.
  *

packages/remote-config/src/client/realtime_handler.ts

@@ -1,35 +1,55 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 import { ConfigUpdateObserver } from "../public_types";
-export class RealtimeHandler {
-    constructor() {
+const MAX_HTTP_RETRIES = 8;
 
-    } 
+export class RealtimeHandler{
+    constructor () 
+    { }
+    
     private observers: Set<ConfigUpdateObserver> = new Set<ConfigUpdateObserver>();
-    begineRealtime(){
-        //if observers are present, start the realtime updates
-        if (this.observers.size > 0) {
-           
-        }
-    }
+    
     /**
-     * Adds an observer to the realtime updates.
-     * @param observer The observer to add.
-     */
-    addObserver(observer: ConfigUpdateObserver) {
+    * Adds an observer to the realtime updates.
+    * @param observer The observer to add.
+    */
+    public addObserver(observer: ConfigUpdateObserver) {
         this.observers.add(observer);
-        console.log("observer added:", this.observers);
-
-        this.begineRealtime();
+        this.beginRealtime();
     }
     /**
      * Removes an observer from the realtime updates.
      * @param observer The observer to remove.
-     * @returns true if the observer was removed, false if it was not found.
      */
-    removeObserver(observer: ConfigUpdateObserver) {
+    public removeObserver(observer: ConfigUpdateObserver): void {
         if (this.observers.has(observer)) {
-            console.log("observer remove:", this.observers);
-            return this.observers.delete(observer);
+            this.observers.delete(observer);
         }
     }
+
+    private beginRealtime(): void {
+        if (this.observers.size > 0) {
+            this.makeRealtimeHttpConnection(0);
+        }
+    }
+
+    private makeRealtimeHttpConnection(retryMilliseconds: number): void {
+
+    }
+
 }

packages/remote-config/src/public_types.ts

@@ -223,13 +223,19 @@ declare module '@firebase/component' {
  * @public
  */
 export interface ConfigUpdateObserver {
-    // Called when a new ConfigUpdate is available.
+    /**
+     * Called when a new ConfigUpdate is available.
+     */
     next: (configUpdate: ConfigUpdate) => void;
 
-    // Called if an error occurs during the stream.
+    /**
+     * Called if an error occurs during the stream.
+     */ 
     error: (error: FirebaseError) => void;
 
-    // Called when the stream is gracefully terminated.
+     /**
+     * Called when the stream is gracefully terminated.
+     */ 
     complete: () => void;
 }