/// <summary> /// Append a range of messages for each message passed through /// </summary> /// <typeparam name="TMessageType">The chain message type</typeparam> /// <param name="chainBuilder">The mch builder</param> /// <param name="messageSelector">The function used to create the new message</param> /// <returns>The same mch builder</returns> public static IChainBuilder <TMessageType> AppendMany <TMessageType>( this IChainBuilder <TMessageType> chainBuilder, Func <TMessageType, CancellationToken, Task <IEnumerable <TMessageType> > > messageSelector) { if (messageSelector == null) { return(chainBuilder); } return(chainBuilder.AppendMany(c => c.Select(messageSelector))); }