export interface StoredResponse {
    id: string;
    tool: string;
    text: string;
    created_at: number;
}
declare class ResponseStore {
    private entries;
    set(tool: string, text: string): string;
    get(id: string): StoredResponse | undefined;
    size(): number;
    clear(): void;
    private prune;
}
export declare const responseStore: ResponseStore;
export {};