Amazon Elastic Compute Cloud Update: Adds waiters support for internet gateways.

Author: AWS

.changes/next-release/feature-AmazonElasticComputeCloud-585d02e.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Amazon Elastic Compute Cloud",
+    "contributor": "",
+    "description": "Adds waiters support for internet gateways."
+}

services/ec2/src/main/resources/codegen-resources/service-2.json

@@ -22617,7 +22617,7 @@
       "type":"structure",
       "members":{
         "ElasticGpuId":{
-          "shape":"String",
+          "shape":"ElasticGpuId",
           "documentation":"<p>The ID of the Elastic Graphics accelerator.</p>",
           "locationName":"elasticGpuId"
         },

services/ec2/src/main/resources/codegen-resources/waiters-2.json

@@ -281,6 +281,24 @@
         }
       ]
     },
+    "InternetGatewayExists": {
+      "operation": "DescribeInternetGateways",
+      "delay": 5,
+      "maxAttempts": 6,
+      "acceptors": [
+        {
+          "expected": true,
+          "matcher": "path",
+          "state": "success",
+          "argument": "length(InternetGateways[].InternetGatewayId) > `0`"
+        },
+        {
+          "expected": "InvalidInternetGateway.NotFound",
+          "matcher": "error",
+          "state": "retry"
+        }
+      ]
+    },
     "KeyPairExists": {
       "operation": "DescribeKeyPairs",
       "delay": 5,