Add typed collection to BUYPaymentController.

Mobile Buy SDK/Mobile Buy SDK/Payment Providers/BUYPaymentController.h

@@ -37,6 +37,11 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, strong, readonly) NSOrderedSet <id <BUYPaymentProvider>> *providers;
 
 /**
+ *  The registered payment providers
+ */
+- (NSArray< id<BUYPaymentProvider> > *)providersArray;
+
+/**
  *  Register a payment provider
  *
  *  @param paymentProvider a payment provider

Mobile Buy SDK/Mobile Buy SDK/Payment Providers/BUYPaymentController.m

@@ -38,24 +38,16 @@ NSString *const BUYPaymentProviderDidCompleteCheckoutNotificationKey = @"BUYPaym
 
 @implementation BUYPaymentController
 
-- (void)startCheckout:(BUYCheckout *)checkout withProviderType:(NSString *)typeIdentifier;
-{
-	id <BUYPaymentProvider> provider = [self providerForType:typeIdentifier];
-	[provider startCheckout:checkout];
-}
+#pragma mark - Accessors -
 
-- (void)addPaymentProvider:(id <BUYPaymentProvider>)paymentProvider
+- (NSSet <id <BUYPaymentProvider>> *)providers
 {
-	if ([self.mutableProviders containsObject:paymentProvider]) {
-		NSLog(@"Payment provider %@ has already been added", paymentProvider.identifier);
-	}
-	
-	[self.mutableProviders addObject:paymentProvider];
+	return [self.mutableProviders copy];
 }
 
-- (NSSet <id <BUYPaymentProvider>> *)providers
+- (NSArray< id<BUYPaymentProvider> > *)providersArray
 {
-	return [self.mutableProviders copy];
+	return self.mutableProviders.array;
 }
 
 - (NSMutableOrderedSet *)mutableProviders
@@ -67,6 +59,23 @@ NSString *const BUYPaymentProviderDidCompleteCheckoutNotificationKey = @"BUYPaym
 	return _mutableProviders;
 }
 
+#pragma mark - Tasks -
+
+- (void)startCheckout:(BUYCheckout *)checkout withProviderType:(NSString *)typeIdentifier;
+{
+	id <BUYPaymentProvider> provider = [self providerForType:typeIdentifier];
+	[provider startCheckout:checkout];
+}
+
+- (void)addPaymentProvider:(id <BUYPaymentProvider>)paymentProvider
+{
+	if ([self.mutableProviders containsObject:paymentProvider]) {
+		NSLog(@"Payment provider %@ has already been added", paymentProvider.identifier);
+	}
+	
+	[self.mutableProviders addObject:paymentProvider];
+}
+
 - (id <BUYPaymentProvider>)providerForType:(NSString *)type
 {
 	for (id <BUYPaymentProvider> provider in self.mutableProviders) {