default WriteAndFlushAsync returns Task

src/DotNetty.Transport/Channels/AbstractChannel.cs

@@ -191,7 +191,7 @@ public IChannel Read()
 
         public ValueTask WriteAsync(object msg) => this.pipeline.WriteAsync(msg);
 
-        public ValueTask WriteAndFlushAsync(object message) => this.pipeline.WriteAndFlushAsync(message);
+        public Task WriteAndFlushAsync(object message) => this.pipeline.WriteAndFlushAsync(message);
 
         public ValueTask WriteAndFlushAsync(object message, bool notifyComplete) => this.pipeline.WriteAndFlushAsync(message, notifyComplete);
 

src/DotNetty.Transport/Channels/AbstractChannelHandlerContext.cs

@@ -856,7 +856,7 @@ void InvokeFlush0()
             }
         }
 
-        public ValueTask WriteAndFlushAsync(object message) => this.WriteAndFlushAsync(message, true);
+        public Task WriteAndFlushAsync(object message) => this.WriteAndFlushAsync(message, true).AsTask();
 
         public ValueTask WriteAndFlushAsync(object message, bool notifyComplete)
         {

src/DotNetty.Transport/Channels/DefaultChannelPipeline.cs

@@ -830,7 +830,7 @@ public IChannelPipeline Flush()
             return this;
         }
 
-        public ValueTask WriteAndFlushAsync(object msg) => this.tail.WriteAndFlushAsync(msg);
+        public Task WriteAndFlushAsync(object msg) => this.tail.WriteAndFlushAsync(msg);
 
         public ValueTask WriteAndFlushAsync(object msg, bool notifyComplete) => this.tail.WriteAndFlushAsync(msg, notifyComplete);
 

src/DotNetty.Transport/Channels/IChannel.cs

@@ -66,7 +66,7 @@ public interface IChannel : IAttributeMap, IComparable<IChannel>
 
         IChannel Flush();
 
-        ValueTask WriteAndFlushAsync(object message);
+        Task WriteAndFlushAsync(object message);
 
         ValueTask WriteAndFlushAsync(object message, bool notifyComplete);
     }

src/DotNetty.Transport/Channels/IChannelHandlerContext.cs

@@ -71,7 +71,7 @@ public interface IChannelHandlerContext : IAttributeMap
 
         IChannelHandlerContext Flush();
 
-        ValueTask WriteAndFlushAsync(object message);
+        Task WriteAndFlushAsync(object message);
 
         ValueTask WriteAndFlushAsync(object message, bool notifyComplete);
 

src/DotNetty.Transport/Channels/IChannelPipeline.cs

@@ -694,7 +694,7 @@ public interface IChannelPipeline : IEnumerable<IChannelHandler>
         /// <summary>
         /// Shortcut for calling both <see cref="WriteAsync"/> and <see cref="Flush"/>.
         /// </summary>
-        ValueTask WriteAndFlushAsync(object msg);
+        Task WriteAndFlushAsync(object msg);
 
         ValueTask WriteAndFlushAsync(object msg, bool notifyComplete);
     }