// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace Microsoft.AspNetCore.SignalR;
 
/// <summary>
/// An abstraction that provides access to client connections, including the one that sent the current invocation.
/// </summary>
/// <typeparam name="T">The client caller type.</typeparam>
public interface IHubCallerClients<T> : IHubClients<T>
{
    /// <summary>
    /// Gets a caller to the connection which triggered the current invocation.
    /// </summary>
    T Caller { get; }
 
    /// <summary>
    /// Gets a caller to all connections except the one which triggered the current invocation.
    /// </summary>
    T Others { get; }
 
    /// <summary>
    /// Gets a caller to all connections in the specified group, except the one which triggered the current invocation.
    /// </summary>
    /// <returns>A client caller.</returns>
    T OthersInGroup(string groupName);
}