HttpClientHandler to HttpMessageHandler (more generic)

Author: Raul Hidalgo Caballero

src/GraphQL.Client/GraphQLClient.cs

@@ -59,10 +59,10 @@ public GraphQLClient(Uri endPoint, GraphQLClientOptions options) {
 			this.Options.EndPoint = endPoint ?? throw new ArgumentNullException(nameof(endPoint));
 
 			if (this.Options.JsonSerializerSettings == null) { throw new ArgumentNullException(nameof(this.Options.JsonSerializerSettings)); }
-			if (this.Options.HttpClientHandler == null) { throw new ArgumentNullException(nameof(this.Options.HttpClientHandler)); }
+			if (this.Options.HttpMessageHandler == null) { throw new ArgumentNullException(nameof(this.Options.HttpMessageHandler)); }
 			if (this.Options.MediaType == null) { throw new ArgumentNullException(nameof(this.Options.MediaType)); }
 
-			this.httpClient = new HttpClient(this.Options.HttpClientHandler);
+			this.httpClient = new HttpClient(this.Options.HttpMessageHandler);
 		}
 
 		/// <summary>
@@ -74,10 +74,10 @@ public GraphQLClient(GraphQLClientOptions options) {
 
 			if (this.Options.EndPoint == null) { throw new ArgumentNullException(nameof(this.Options.EndPoint)); }
 			if (this.Options.JsonSerializerSettings == null) { throw new ArgumentNullException(nameof(this.Options.JsonSerializerSettings)); }
-			if (this.Options.HttpClientHandler == null) { throw new ArgumentNullException(nameof(this.Options.HttpClientHandler)); }
+			if (this.Options.HttpMessageHandler == null) { throw new ArgumentNullException(nameof(this.Options.HttpMessageHandler)); }
 			if (this.Options.MediaType == null) { throw new ArgumentNullException(nameof(this.Options.MediaType)); }
 
-			this.httpClient = new HttpClient(this.Options.HttpClientHandler);
+			this.httpClient = new HttpClient(this.Options.HttpMessageHandler);
 		}
 
 		#endregion

src/GraphQL.Client/GraphQLClientOptions.cs

@@ -24,9 +24,9 @@ public class GraphQLClientOptions {
 		};
 
 		/// <summary>
-		/// The <see cref="System.Net.Http.HttpClientHandler"/> that is going to be used
+		/// The <see cref="System.Net.Http.HttpMessageHandler"/> that is going to be used
 		/// </summary>
-		public HttpClientHandler HttpClientHandler { get; set; } = new HttpClientHandler();
+		public HttpMessageHandler HttpMessageHandler { get; set; } = new HttpClientHandler();
 
 		/// <summary>
 		/// The <see cref="MediaTypeHeaderValue"/> that will be send on POST