debug protocol: support to return strcutured objects from SetVariablesRequest

src/vs/workbench/parts/debug/common/debugProtocol.d.ts

@@ -658,6 +658,16 @@ declare module DebugProtocol {
 			value: string;
 			/** The type of the new value. Typically shown in the UI when hovering over the value. */
 			type?: string;
+			/** If variablesReference is > 0, the new value is structured and its children can be retrieved by passing variablesReference to the VariablesRequest. */
+			variablesReference?: number;
+			/** The number of named child variables.
+				The client can use this optional information to present the variables in a paged UI and fetch them in chunks.
+			*/
+			namedVariables?: number;
+			/** The number of indexed child variables.
+				The client can use this optional information to present the variables in a paged UI and fetch them in chunks.
+			*/
+			indexedVariables?: number;
 		};
 	}