/**
 * State Management for FURI.
 * Provides a global state management system for the application.
 */
export declare class StoreState {
    private readonly store;
    /**
     * Global Application state.
     * Overloaded functions to read or set application state.
     *
     * Read application state data.
     * Set application state data.
     *
     * @param key The application state key.
     * @param value The application state value.
     * @return Application state value or undefined if not found.
     */
    storeState(key: string): any;
    storeState(key: string, value: any): void;
}
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