ladybird/Servers/ProtocolServer/ProtocolClient.ipc

endpoint ProtocolClient = 13
{
    // Download notifications
    DownloadProgress(i32 download_id, u32 total_size, u32 downloaded_size) =|
    DownloadFinished(i32 download_id, bool success, u32 total_size, i32 shbuf_id) =|
}