src/vs/workbench/contrib/webviewPanel/browser/webviewCommands.ts/WebViewEditorFindPreviousCommand/constructor
class WebViewEditorFindPreviousCommand:	constructor() {
		super({
			id: WebViewEditorFindPreviousCommand.ID,
			title: WebViewEditorFindPreviousCommand.LABEL,
			keybinding: {
				when: ContextKeyExpr.and(webviewActiveContextKeyExpr, KEYBINDING_CONTEXT_WEBVIEW_FIND_WIDGET_FOCUSED),
				primary: KeyMod.Shift | KeyCode.Enter,
				weight: KeybindingWeight.EditorContrib
			}
		});
	}