import { type FC, type HTMLAttributes, type ReactNode, type Ref } from 'react'; import { type TestableProps } from '../../utils/testId'; export interface AppShellExpandFrom { width: number; height: number; borderRadius?: number; } export interface AppShellProps extends HTMLAttributes, TestableProps { ref?: Ref; children?: ReactNode; reveal?: boolean; expandFrom?: AppShellExpandFrom; onRevealed?: () => void; appeared?: boolean; } export declare const AppShell: FC;