killbill-memoizeit

diff --git a/api/src/main/java/com/ning/billing/payment/api/PaymentApi.java b/api/src/main/java/com/ning/billing/payment/api/PaymentApi.java
index 97678c2..9e347d1 100644
--- a/api/src/main/java/com/ning/billing/payment/api/PaymentApi.java
+++ b/api/src/main/java/com/ning/billing/payment/api/PaymentApi.java
@@ -20,10 +20,14 @@ import java.util.List;
 
 import javax.annotation.Nullable;
 
+import com.ning.billing.payment.provider.PaymentProviderPlugin;
+
 public interface PaymentApi {
     Either<PaymentError, PaymentMethodInfo> getPaymentMethod(@Nullable String accountKey, String paymentMethodId);
 
     Either<PaymentError, List<PaymentMethodInfo>> getPaymentMethods(String accountKey);
 
     Either<PaymentError, Void> updatePaymentGateway(String accountKey);
+
+    Either<PaymentError, PaymentProviderPlugin> getPaymentProviderAccount(String screenName);
 }

diff --git a/invoice/src/test/java/com/ning/billing/invoice/api/MockInvoicePaymentApi.java b/invoice/src/test/java/com/ning/billing/invoice/api/MockInvoicePaymentApi.java
index 4899057..a3cc82d 100644
--- a/invoice/src/test/java/com/ning/billing/invoice/api/MockInvoicePaymentApi.java
+++ b/invoice/src/test/java/com/ning/billing/invoice/api/MockInvoicePaymentApi.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2010-2011 Ning, Inc.
+ *
+ * Ning licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
 package com.ning.billing.invoice.api;
 
 import java.math.BigDecimal;