export declare const ELICITATION_CALLBACK_PREFIX = "afk:e:";
export declare const TELEGRAM_CALLBACK_DATA_MAX_BYTES = 64;
export interface ParsedElicitationCallback {
    id: string;
    choiceIndex: number;
}
export declare function buildElicitationCallback(id: string, choiceIndex: number): string;
export declare function parseElicitationCallback(data: string | undefined | null): ParsedElicitationCallback | null;
export declare const ELICITATION_CUSTOM_CALLBACK_PREFIX = "afk:ec:";
export declare function buildCustomElicitationCallback(id: string): string;
export declare function parseCustomElicitationCallback(data: string | undefined | null): string | null;