[types] Improved exposed typings

index.d.ts

@@ -8,6 +8,18 @@ declare module 'vue/types/vue' {
   }
 }
 
+export interface Backends {
+  [name: string]: Backend
+}
+
+export interface Backend {
+  host: string;
+  options: {
+    port: number;
+    sslConnection: boolean
+  }
+}
+
 /**
  * The VueKuzzle plugin. Makes the Kuzzle SDK available in Vue components as
  * `this.$kuzzle`.
@@ -18,3 +30,11 @@ declare module 'vue/types/vue' {
  * @see https://docs.kuzzle.io/sdk/js/7/core-classes/kuzzle/constructor/#options
  */
 export declare function VueKuzzle(Vue: typeof _Vue, options: any): void;
+
+/**
+ * Instantiates the Kuzzle SDK by resolving the backend from the given config.
+ * 
+ * @param backendsConfig 
+ * @param sdkOptions 
+ */
+export declare function instantiateKuzzleSDK(backendsConfig: Backends, sdkOptions: any): Kuzzle