Updated API models and rebuilt service gems.

Author: AWS SDK for Ruby

apis/appsync/2017-07-25/api-2.json

@@ -1250,7 +1250,8 @@
         "tags":{"shape":"TagMap"},
         "additionalAuthenticationProviders":{"shape":"AdditionalAuthenticationProviders"},
         "xrayEnabled":{"shape":"Boolean"},
-        "lambdaAuthorizerConfig":{"shape":"LambdaAuthorizerConfig"}
+        "lambdaAuthorizerConfig":{"shape":"LambdaAuthorizerConfig"},
+        "visibility":{"shape":"GraphQLApiVisibility"}
       }
     },
     "CreateGraphqlApiResponse":{
@@ -1955,6 +1956,13 @@
         "type":{"shape":"Type"}
       }
     },
+    "GraphQLApiVisibility":{
+      "type":"string",
+      "enum":[
+        "GLOBAL",
+        "PRIVATE"
+      ]
+    },
     "GraphQLSchemaException":{
       "type":"structure",
       "members":{
@@ -1978,7 +1986,9 @@
         "additionalAuthenticationProviders":{"shape":"AdditionalAuthenticationProviders"},
         "xrayEnabled":{"shape":"Boolean"},
         "wafWebAclArn":{"shape":"String"},
-        "lambdaAuthorizerConfig":{"shape":"LambdaAuthorizerConfig"}
+        "lambdaAuthorizerConfig":{"shape":"LambdaAuthorizerConfig"},
+        "dns":{"shape":"MapOfStringToString"},
+        "visibility":{"shape":"GraphQLApiVisibility"}
       }
     },
     "GraphqlApis":{

apis/appsync/2017-07-25/docs-2.json

@@ -792,6 +792,13 @@
       "refs": {
       }
     },
+    "GraphQLApiVisibility": {
+      "base": null,
+      "refs": {
+        "CreateGraphqlApiRequest$visibility": "<p>Sets the value of the GraphQL API to public (<code>GLOBAL</code>) or private (<code>PRIVATE</code>). If no value is provided, the visibility will be set to <code>GLOBAL</code> by default. This value cannot be changed once the API has been created.</p>",
+        "GraphqlApi$visibility": "<p>Sets the value of the GraphQL API to public (<code>GLOBAL</code>) or private (<code>PRIVATE</code>). If no value is provided, the visibility will be set to <code>GLOBAL</code> by default. This value cannot be changed once the API has been created.</p>"
+      }
+    },
     "GraphQLSchemaException": {
       "base": "<p>The GraphQL schema is not valid.</p>",
       "refs": {
@@ -978,7 +985,8 @@
     "MapOfStringToString": {
       "base": null,
       "refs": {
-        "GraphqlApi$uris": "<p>The URIs.</p>"
+        "GraphqlApi$uris": "<p>The URIs.</p>",
+        "GraphqlApi$dns": "<p>The DNS records for the API.</p>"
       }
     },
     "MappingTemplate": {
@@ -1203,7 +1211,7 @@
         "ApiKeyValidityOutOfBoundsException$message": null,
         "ApiLimitExceededException$message": null,
         "AppSyncRuntime$runtimeVersion": "<p>The <code>version</code> of the runtime to use. Currently, the only allowed version is <code>1.0.0</code>.</p>",
-        "AssociateApiRequest$apiId": "<p>The API ID.</p>",
+        "AssociateApiRequest$apiId": "<p>The API ID. Private APIs can not be associated with custom domains.</p>",
         "AwsIamConfig$signingRegion": "<p>The signing Amazon Web Services Region for IAM authorization.</p>",
         "AwsIamConfig$signingServiceName": "<p>The signing service name for IAM authorization.</p>",
         "CachingKeys$member": null,
@@ -1332,7 +1340,7 @@
     "TTL": {
       "base": null,
       "refs": {
-        "LambdaAuthorizerConfig$authorizerResultTtlInSeconds": "<p>The number of seconds a response should be cached for. The default is 5 minutes (300 seconds). The Lambda function can override this by returning a <code>ttlOverride</code> key in its response. A value of 0 disables caching of responses.</p>"
+        "LambdaAuthorizerConfig$authorizerResultTtlInSeconds": "<p>The number of seconds a response should be cached for. The default is 0 seconds, which disables caching. If you don't specify a value for <code>authorizerResultTtlInSeconds</code>, the default value is used. The maximum value is one hour (3600 seconds). The Lambda function can override this by returning a <code>ttlOverride</code> key in its response.</p>"
       }
     },
     "TagKey": {