Arcade-Maniac/Source/Library/PackageCache/com.unity.shadergraph@11.0.0/Editor/Data/Interfaces/IGraphDataAction.cs

namespace UnityEditor.ShaderGraph
{
    interface IGraphDataAction
    {
        // Takes in GraphData, performs some modification on it, and then returns it
        GraphData MutateGraphData(GraphData initialState);
    }
}