Implemented Core client

Cloudflare/Interfaces/IQueryParameterFilter.cs

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+
+namespace AMWD.Net.Api.Cloudflare
+{
+	/// <summary>
+	/// Represents filter options defined via query parameters.
+	/// </summary>
+	public interface IQueryParameterFilter
+	{
+		/// <summary>
+		/// Gets the query parameters.
+		/// </summary>
+		IDictionary<string, string> GetQueryParameters();
+	}
+}