/**
 * Read a single value from `sessionStorage`.
 *
 * `sessionStorage` is scoped per browsing-context lifetime (cleared on
 * window close), so callers using this for test isolation get clean state
 * automatically between Electron app restarts.
 *
 * Sentinels: same shape as `electron_local_storage_get_item`.
 */
export declare const sessionStorageGetItem: import("../types").CommandModule;