Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web.DynamicData/DynamicData/IWhereParametersProvider.cs

@@ -0,0 +1,18 @@
+using System.Collections.Generic;
+using System.Web.UI.WebControls;
+
+namespace System.Web.DynamicData {
+
+    /// <summary>
+    /// Interface implemented by Parameter classes that want to contribute one or many Where parameters.
+    /// </summary>
+    public interface IWhereParametersProvider {
+        /// <summary>
+        /// Get the list of Where parameters that should be added to the Where param collection.
+        /// Typically, this Where paramater is replaced by the parameters it contributes.
+        /// </summary>
+        /// <param name="dataSource">The data source that this parameter was found on</param>
+        /// <returns>A list of Paramaters</returns>
+        IEnumerable<Parameter> GetWhereParameters(IDynamicDataSource dataSource);
+    }
+}