import { Wallet } from "ethers";
import { CommunityConfig } from "../config";
export interface SessionRequestResult {
    txHash: string;
    hash: string;
}
export declare class BadRequestException extends Error {
    constructor(message?: string);
}
export declare class InvalidChallengeException extends Error {
    constructor(message?: string);
}
/**
 * Creates a session request by generating the necessary cryptographic signatures
 * and submitting them to the backend API.
 *
 * @param {string} url - The API endpoint URL (e.g., 'https://api.example.com')
 * @param {CommunityConfig} community - Instance of CommunityConfig containing provider address
 * @param {Wallet} privateKey - The wallet instance to sign the session request
 * @param {string} source - The source identifier (e.g., phone number for SMS sessions)
 * @param {string} sessionType - The type of session (e.g., 'sms', 'email', etc.)
 * @returns {Promise<SessionRequestResult | null>} Object containing transaction hash and request hash, or null on failure
 * @throws {InvalidChallengeException} If the request is rejected as a bad request
 */
export declare const sendSessionRequest: (url: string, community: CommunityConfig, privateKey: Wallet, source: string, sessionType: string) => Promise<SessionRequestResult | null>;
/**
 * Confirms a session request by signing the session hash and submitting it to the backend API.
 *
 * @param {string} url - The API endpoint URL (e.g., 'https://api.example.com')
 * @param {CommunityConfig} community - Instance of CommunityConfig containing provider address
 * @param {Wallet} privateKey - The wallet instance to sign the session confirmation
 * @param {string} sessionRequestHash - The session request hash (hex string with 0x prefix)
 * @param {number | string} challenge - The challenge number received from the session request
 * @returns {Promise<string | null>} The transaction hash of the confirmation, or null on failure
 */
export declare const confirmSessionRequest: (url: string, community: CommunityConfig, privateKey: Wallet, sessionRequestHash: string, challenge: number | string) => Promise<string | null>;
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