jellyfin/MediaBrowser.Model/Services/IHasRequestFilter.cs

namespace MediaBrowser.Model.Services
{
    public interface IHasRequestFilter
    {
        /// <summary>
        /// Order in which Request Filters are executed. 
        /// &lt;0 Executed before global request filters
        /// &gt;0 Executed after global request filters
        /// </summary>
        int Priority { get; }

        /// <summary>
        /// The request filter is executed before the service.
        /// </summary>
        /// <param name="req">The http request wrapper</param>
        /// <param name="res">The http response wrapper</param>
        /// <param name="requestDto">The request DTO</param>
        void RequestFilter(IRequest req, IResponse res, object requestDto);
    }
}