Merge from vscode e558dc6ea73a75bd69d7a0b485f0e7e4194c66bf (#6864)

src/vs/editor/common/modes.ts

@@ -367,6 +367,10 @@ export let completionKindFromString: {
 	};
 })();
 
+export const enum CompletionItemKindModifier {
+	Deprecated = 1
+}
+
 export const enum CompletionItemInsertTextRule {
 	/**
 	 * Adjust whitespace/indentation of multiline insert texts to
@@ -396,6 +400,11 @@ export interface CompletionItem {
 	 * an icon is chosen by the editor.
 	 */
 	kind: CompletionItemKind;
+	/**
+	 * A modifier to the `kind` which affect how the item
+	 * is rendered, e.g. Deprecated is rendered with a strikeout
+	 */
+	kindModifier?: CompletionItemKindModifier;
 	/**
 	 * A human-readable string with additional information
 	 * about this item, like type or symbol information.
@@ -464,7 +473,7 @@ export interface CompletionItem {
 	/**
 	 * @internal
 	 */
-	[key: string]: any;
+	_id?: [number, number];
 }
 
 export interface CompletionList {