refactor: Add Type interfaces for native sdk helpers (#946)

Author: alexs-mparticle

src/nativeSdkHelpers.interfaces.ts

@@ -0,0 +1,13 @@
+export interface INativeSdkHelpers {
+    initializeSessionAttributes: (apiKey: string) => void;
+    isBridgeV2Available: (bridgeName: string) => boolean;
+    isWebviewEnabled: (
+        requiredWebviewBridgeName: string,
+        minWebviewBridgeVersion: number
+    ) => boolean;
+    isBridgeV1Available: () => boolean;
+    sendToNative: (path: string, value: string) => void;
+    sendViaBridgeV1: (path: string, value: string) => void;
+    sendViaIframeToIOS: (path: string, value: string) => void;
+    sendViaBridgeV2: (path: string, value: string, requiredWebviewBridgeName: boolean) => void;
+}

src/sdkRuntimeModels.ts

@@ -31,6 +31,7 @@ import {
 } from './identity-user-interfaces';
 import { IIdentityType } from './types.interfaces';
 import IntegrationCapture from './integrationCapture';
+import { INativeSdkHelpers } from './nativeSdkHelpers.interfaces';
 import { ICookieSyncManager } from './cookieSyncManager.interfaces';
 
 // TODO: Resolve this with version in @mparticle/web-sdk
@@ -169,7 +170,7 @@ export interface MParticleWebSDK {
     _SessionManager: ISessionManager;
     _Consent: SDKConsentApi;
     Consent: SDKConsentApi;
-    _NativeSdkHelpers: any; // TODO: Set up API
+    _NativeSdkHelpers: INativeSdkHelpers;
     _Persistence: IPersistence;
     _preInit: any; // TODO: Set up API
     _instances?: Dictionary<MParticleWebSDK>;