Simplify native plugin integration in Unity for

  using Plankton;

// Initialize
Billing.Initialize(succeed => Debug.Log($"GooglePlay Billing initialization result:{succeed}"));

// Get List of Purchases
Billing.GetPurchases((succeed, purchaseList) => { /* Process purchase list */ });

// Get Product Details
var productIds = new string[] {"product_sku_1", "product_sku_2"};
Billing.GetSkuDetails((succeed, productDetailList) => { /* Process product details */ }, productIds);

// Make Purchase
Billing.Purchase("product_sku", "", "", (status, token) =>
{
    Debug.Log($"Purchase result:{status}, purchase token:{token}");
    if (status == Billing.Status.PurchaseStatus.Purchased)
    {
        // Give product to player and consume/acknowledge the product
        Billing.Consume(token, (succeed, token) => {} ); // or call Billing.Acknowledge()
    }
});

 using Plankton;
using static Plankton.GeneralAnalytics;

// Initialize
GeneralAnalytics.Initialize();

// Set User Property
var providers = Provider.Firebase | Provider.Yandex;
GeneralAnalytics.SetUserProperty(providers, "property_key", "property_value");

// Send Event
var eventProviders = Provider.Firebase | Provider.Appsflyer | Provider.Yandex;
var parameters = new Dictionary<string, string>() {
    { "param_1", "value_1"},
    { "param_2", "value_2"},
    { "param_3", "value_3"},
};
GeneralAnalytics.LogEvent(eventProviders, "event_name", parameters);

 using Plankton;

// Update user consent info
GoogleUmp.RequestConsentInfoUpdate((succeed, error) => Debug.Log($"Is successful:{succeed}, Error:{error}"));

// Show consent form if required
GoogleUmp.LoadAndShowConsentFormIfRequired((succeed, error) => Debug.Log($"Is successful:{succeed}, Error:{error}"));

// Check if ads can be shown
bool canRequestAds = GoogleUmp.CanRequestAds();

 using Plankton;

// *** Firebase Remote Config ***
// Fetch whole remote config
GeneralAnalytics.RemoteConfig.Fetch(json => Debug.Log($"Fetch Successfull! configs:{json}"), () => Debug.Log("Fetch Failed!"));

// Get a specific value for a given key
var configValue = GeneralAnalytics.RemoteConfig.Get("config_key", "default_value");


// *** GameAnalytics Remote Config ***
// No need to manually fetch
var isReady = GameAnalytics.IsRemoteConfigsReady();
if (isReady){
    // Get a specific value for a given key
    var value = GameAnalytics.GetRemoteConfigsValueAsString("config_key", "default_value");
}

 using Plankton;

// Sign-In to google account
PlayServices.SignIn(succeed => Debug.Log($"Play Services signin result:{succeed}"));

// Save player data
PlayServices.Save("Data to be saved", succeed => Debug.Log($"Save result:{succeed}"));

// Load player data
PlayServices.Load(data => Debug.Log($"Load result:{data}"));

 using Plankton;

// Show Google's rate us pop-up
Utils.ShowRateUs(succeed => Debug.Log($"Rate us popup display result:{succeed}"));