in src/AzureSqlResourceManager.ts [42:47]
public static async getResourceManager(serverName: string, resourceAuthorizer: IAuthorizer): Promise<AzureSqlResourceManager> {
// a factory method to return asynchronously created object
let resourceManager = new AzureSqlResourceManager(resourceAuthorizer);
await resourceManager._populateSqlServerData(serverName);
return resourceManager;
}