feat(firebase): add new functions

src/@ionic-native/plugins/firebase/index.ts

@@ -35,10 +35,10 @@ import { Observable } from 'rxjs/Observable';
 export class Firebase extends IonicNativePlugin {
  /**
  * Get the device token
- * @return {Promise<any>}
+ * @return {Promise<null | string>} Note that token will be null if it has not been established yet
  */
  @Cordova()
- getToken(): Promise<any> {
+ getToken(): Promise<null | string> {
  return;
  }
 
@@ -269,6 +269,44 @@ export class Firebase extends IonicNativePlugin {
  return;
  }
 
+ /**
+ * Start a trace.
+ * @param trace Trace name
+ */
+ @Cordova()
+ startTrace(trace: string): Promise<any> {
+ return;
+ }
+
+ /**
+ * To count the performance-related events that occur in your app (such as cache hits or retries), add a line of code
+ * similar to the following whenever the event occurs, using a string other than retry to name that event if you are
+ * counting a different type of event:
+ * @param trace Trace name
+ * @param counter Counter
+ */
+ @Cordova()
+ incrementCounter(trace: string, counter: string): Promise<any> {
+ return;
+ }
+
+ /**
+ * Stop the trace
+ * @param trace Trace name
+ */
+ @Cordova()
+ stopTrace(trace: string): void {}
+
+ /**
+ * Allows the user to enable/disable analytics collection
+ * @param {boolean} enabled value to set collection
+ * @returns {Promise<any>}
+ */
+ @Cordova()
+ setAnalyticsCollectionEnabled(enabled: boolean): Promise<any> {
+ return;
+ }
+
  /**
  * Sends an SMS to the user with the SMS verification code and returns the Verification ID required to sign in using phone authentication
  * @param {string} phoneNumber
@@ -298,14 +336,4 @@ export class Firebase extends IonicNativePlugin {
  ): Promise<any> {
  return;
  }
-
- /**
- * Allows the user to enable/disable analytics collection
- * @param {boolean} enabled value to set collection
- * @returns {Promise<any>}
- */
- @Cordova()
- setAnalyticsCollectionEnabled(enabled: boolean): Promise<any> {
- return;
- }
 }