add support to accept visualization options (#14254)

* allow query provider to specify visual options

* make it reusable

* add comment

* fix error

* null check

src/sql/azdata.proposed.d.ts

@@ -983,4 +983,23 @@ declare module 'azdata' {
 		 */
 		MsGraph = 7
 	}
+
+	export interface ResultSetSummary {
+		/**
+		 * The visualization options for the result set.
+		 */
+		visualization?: VisualizationOptions;
+	}
+
+	/**
+	 * Defines all the supported visualization types
+	 */
+	export type VisualizationType = 'bar' | 'count' | 'doughnut' | 'horizontalBar' | 'image' | 'line' | 'pie' | 'scatter' | 'table' | 'timeSeries';
+
+	/**
+	 * Defines the configuration options for visualization
+	 */
+	export interface VisualizationOptions {
+		type: VisualizationType;
+	}
 }