Добавьте файлы проекта.

SQLVision.Visualizers/Interfaces/IControlFactory.cs

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+using Microsoft.UI.Xaml;
+using SQLVision.Core.Models;
+
+namespace SQLVision.Visualizers.Interfaces;
+
+public interface IControlFactory
+{
+    FrameworkElement CreateControl(ScriptParameter parameter, Action<object?> onValueChanged);
+    void UpdateControlState(FrameworkElement control, ScriptParameter parameter, Dictionary<string, object?> currentValues);
+}

SQLVision.Visualizers/Interfaces/IVisualizer.cs

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+using Microsoft.UI.Xaml;
+using SQLVision.Core.Enums;
+using SQLVision.Core.Models;
+using System.Data;
+
+namespace SQLVision.Visualizers.Interfaces;
+
+public interface IVisualizer
+{
+    FrameworkElement Visualize(DataTable data, OutputDefinition definition);
+    bool CanVisualize(OutputType type);
+}

SQLVision.Visualizers/Interfaces/IVisualizerFactory.cs

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+using SQLVision.Core.Enums;
+
+namespace SQLVision.Visualizers.Interfaces;
+
+public interface IVisualizerFactory
+{
+    IVisualizer GetVisualizer(OutputType type);
+    void RegisterVisualizer(OutputType type, IVisualizer visualizer);
+}