export interface SessionStateProvider {
    getState(sessionId: string): Promise<Record<string, unknown>>;
    setState(sessionId: string, state: Record<string, unknown>): Promise<void>;
    updateState(sessionId: string, updates: Record<string, unknown>): Promise<void>;
    clearState(sessionId: string): Promise<void>;
}
export declare class InMemorySessionStateProvider implements SessionStateProvider {
    private store;
    getState(sessionId: string): Promise<Record<string, unknown>>;
    setState(sessionId: string, state: Record<string, unknown>): Promise<void>;
    updateState(sessionId: string, updates: Record<string, unknown>): Promise<void>;
    clearState(sessionId: string): Promise<void>;
}