import type { ElicitationResult } from './types/sdk-types.js';
export declare function stableStringify(value: unknown): string;
export declare function ensureSessionKey(sessionId: string): string | null;
export declare function readSessionKey(sessionId: string): string | null;
export declare function signElicitationResponse(key: string, sessionId: string, reqId: string, result: ElicitationResult): string;
export declare function verifyElicitationResponse(key: string, sessionId: string, reqId: string, result: ElicitationResult, sig: string): boolean;
export declare function signAbortRequest(key: string, sessionId: string, nonce: string): string;
export declare function verifyAbortRequest(key: string, sessionId: string, nonce: string, sig: string): boolean;
export declare function freshChannelId(): string;