Support for Elasticsearch 7.7 (#1192)

test/types/serializer.test-d.ts

@@ -0,0 +1,13 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+import { expectType } from 'tsd'
+import { Serializer } from '../../'
+
+const serializer = new Serializer()
+
+expectType<string>(serializer.serialize({}))
+expectType<any>(serializer.deserialize(''))
+expectType<string>(serializer.ndserialize([]))
+expectType<string>(serializer.qserialize({}))