ScriptableRenderPipeline/MaterialGraphProject/Assets/GraphFramework/SerializableGraph/Runtime/Implementation/Edge.cs

using System;

namespace UnityEngine.Graphing
{
    [Serializable]
    public class Edge : IEdge
    {
        [SerializeField]
        private SlotReference m_OutputSlot;
        [SerializeField]
        private SlotReference m_InputSlot;

        public Edge()
        {}

        public Edge(SlotReference outputSlot, SlotReference inputSlot)
        {
            m_OutputSlot = outputSlot;
            m_InputSlot = inputSlot;
        }

        public SlotReference outputSlot
        {
            get { return m_OutputSlot; }
        }

        public SlotReference inputSlot
        {
            get { return m_InputSlot; }
        }
    }
}