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using Google.Protobuf;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.Transport.Discovery
{
    /// <summary>
    /// Represents a discovery service broadcasting a predefined discovery message type.
    /// </summary>
    /// <typeparam name="DiscoveryMessage">The type of the discovery message.</typeparam>
    public interface IDiscoveryService<DiscoveryMessage> : IDiscoveryComponent where DiscoveryMessage : IMessage
    {
        /// <summary>
        /// Occurs before broadcasting the discovery message and gives a chance to modify the packet message.
        /// </summary>
        event EventHandler<DiscoveryMessage> BeforeBroadcasting;

        /// <summary>
        /// Gets or sets the current discovery message.
        /// </summary>
        DiscoveryMessage CurrentDiscoveryMessage { get; set; }
    }
}