Move SAML nested types to internal package.

Author: micahstairs

src/main/java/com/google/firebase/auth/SamlProviderConfig.java

@@ -24,6 +24,11 @@
 import com.google.common.collect.ImmutableMap;
 import com.google.firebase.auth.ProviderConfig.AbstractCreateRequest;
 import com.google.firebase.auth.ProviderConfig.AbstractUpdateRequest;
+import com.google.firebase.auth.internal.SamlProviderConfigResponse.IdpCertificate;
+import com.google.firebase.auth.internal.SamlProviderConfigResponse.IdpConfig;
+import com.google.firebase.auth.internal.SamlProviderConfigResponse.SpConfig;
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -179,52 +184,4 @@ void assertValidProviderIdFormat(String providerId) {
       checkArgument(providerId.startsWith("saml."), "Invalid SAML provider ID: " + providerId);
     }
   }
-
-  static class IdpCertificate {
-    @Key("x509Certificate")
-    private String x509Certificate;
-
-    public String getX509Certificate() {
-      return x509Certificate;
-    }
-  }
-
-  static class IdpConfig {
-    @Key("idpEntityId")
-    private String idpEntityId;
-
-    @Key("ssoUrl")
-    private String ssoUrl;
-
-    @Key("idpCertificates")
-    private List<IdpCertificate> idpCertificates;
-
-    public String getIdpEntityId() {
-      return idpEntityId;
-    }
-
-    public String getSsoUrl() {
-      return ssoUrl;
-    }
-
-    public List<IdpCertificate> getIdpCertificates() {
-      return idpCertificates;
-    }
-  }
-
-  static class SpConfig {
-    @Key("spEntityId")
-    private String rpEntityId;
-
-    @Key("callbackUri")
-    private String callbackUrl;
-
-    public String getRpEntityId() {
-      return rpEntityId;
-    }
-
-    public String getCallbackUrl() {
-      return callbackUrl;
-    }
-  }
 }

src/main/java/com/google/firebase/auth/internal/SamlProviderConfigResponse.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed 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.google.firebase.auth.internal;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.api.client.util.Key;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Contains nested SAML provider config response messages sent by Google identity toolkit service.
+ */
+public final class SamlProviderConfigResponse {
+
+  public static class IdpCertificate {
+    @Key("x509Certificate")
+    private String x509Certificate;
+
+    public String getX509Certificate() {
+      return x509Certificate;
+    }
+  }
+
+  public static class IdpConfig {
+    @Key("idpEntityId")
+    private String idpEntityId;
+
+    @Key("ssoUrl")
+    private String ssoUrl;
+
+    @Key("idpCertificates")
+    private List<IdpCertificate> idpCertificates;
+
+    public String getIdpEntityId() {
+      return idpEntityId;
+    }
+
+    public String getSsoUrl() {
+      return ssoUrl;
+    }
+
+    public List<IdpCertificate> getIdpCertificates() {
+      return idpCertificates;
+    }
+  }
+
+  public static class SpConfig {
+    @Key("spEntityId")
+    private String rpEntityId;
+
+    @Key("callbackUri")
+    private String callbackUrl;
+
+    public String getRpEntityId() {
+      return rpEntityId;
+    }
+
+    public String getCallbackUrl() {
+      return callbackUrl;
+    }
+  }
+
+  private SamlProviderConfigResponse() { }
+}