src/vs/workbench/contrib/debug/browser/debugEditorActions.ts/SelectionToWatchExpressionsAction/constructor
class SelectionToWatchExpressionsAction:	constructor() {
		super({
			id: 'editor.debug.action.selectionToWatch',
			label: nls.localize('addToWatch', "Add to Watch"),
			alias: 'Add to Watch',
			precondition: ContextKeyExpr.and(EditorContextKeys.hasNonEmptySelection, CONTEXT_IN_DEBUG_MODE, EditorContextKeys.editorTextFocus),
			contextMenuOpts: {
				group: 'debug',
				order: 1
			}
		});
	}