Combine MatchConditions and SearchRequestOptions

Fixes Azure#11052

sdk/search/Azure.Search.Documents/CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Breaking Changes
 
 - Removed constructor from `SynonymMap` with `IEnumerable<string>` parameter.
+- Combined `MatchConditions` and `SearchRequestOptions` into `SearchConditionalOptions`.
 
 ## 1.0.0-preview.2 (2020-04-06)
 

sdk/search/Azure.Search.Documents/src/Options/SearchConditionalOptions.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Azure.Search.Documents
+{
+    /// <summary>
+    /// Options to customize Search service operations conditioned on <see cref="IfMatch"/> or <see cref="IfNoneMatch"/> ETags.
+    /// </summary>
+    public class SearchConditionalOptions : SearchRequestOptions
+    {
+        /// <summary>
+        /// Optionally limit requests to resources that have a matching ETag.
+        /// </summary>
+        public ETag? IfMatch { get; set; }
+
+        /// <summary>
+        /// Optionally limit requests to resources that do not match the ETag.
+        /// </summary>
+        public ETag? IfNoneMatch { get; set; }
+    }
+}