declare global {
    interface Window {
        CAP_CUSTOM_WASM_URL?: string;
    }
}
import type { AutomationClient } from "@mochabug/adapt-core";
import type { ChallengeInfo, RedeemChallengeOptions, RedeemedChallenge } from "./types.js";
/**
 * Create a challenge for an automation that requires proof-of-work.
 *
 * @param client - The automation client
 * @param id - The automation ID
 * @returns Challenge information including the token to solve
 */
export declare function createChallenge(client: AutomationClient, id: string): Promise<ChallengeInfo>;
/**
 * Redeem solved challenge solutions for a token that can be used to start a session.
 *
 * @param client - The automation client
 * @param id - The automation ID
 * @param verificationToken - The encrypted verification token from createChallenge
 * @param solutions - Array of nonce solutions found by Cap.js solver
 * @returns Redeemed challenge with token to use for session start
 */
export declare function redeemChallenge(client: AutomationClient, id: string, verificationToken: string, solutions: bigint[], options?: RedeemChallengeOptions): Promise<RedeemedChallenge>;
/**
 * Read and clear the expiration captured from the most recent successful redeem.
 *
 * Cap.js solve events expose the redeemed token but not its expiry timestamp, so
 * the wrapper needs to carry that value across from the redeem response.
 */
export declare function takeRedeemedChallengeExpiration(automationId: string): Date | null;
/**
 * Set up the Cap.js adapter with the client and automation ID.
 * Must be called before the Cap.js widget is activated.
 *
 * @param client - The automation client to use for API calls
 * @param automationId - The automation ID to use for challenge endpoints
 */
export declare function setupCapAdapter(client: AutomationClient, automationId: string): void;
/**
 * Clean up the Cap.js adapter state.
 * The CAP_CUSTOM_FETCH handler remains in place but will error if called
 * without being set up again via setupCapAdapter().
 */
export declare function cleanupCapAdapter(automationId?: string): void;