import { Address, PublicClient } from 'viem';
import { AddressBTCKeyPair, UniversalChallengerReader, VaultKeeperReader } from './types';
/**
 * Reads vault keepers from the ApplicationRegistry contract.
 *
 * Usage:
 * ```ts
 * const reader = new ViemVaultKeeperReader(publicClient, applicationRegistryAddress);
 * const keepers = await reader.getCurrentVaultKeepers(appEntryPoint);
 * ```
 */
export declare class ViemVaultKeeperReader implements VaultKeeperReader {
    private publicClient;
    private contractAddress;
    constructor(publicClient: PublicClient, contractAddress: Address);
    getVaultKeepersByVersion(appEntryPoint: Address, version: number): Promise<AddressBTCKeyPair[]>;
    getCurrentVaultKeepers(appEntryPoint: Address): Promise<AddressBTCKeyPair[]>;
    getCurrentVaultKeepersVersion(appEntryPoint: Address): Promise<number>;
}
/**
 * Reads universal challengers from the ProtocolParams contract.
 *
 * Usage:
 * ```ts
 * const reader = new ViemUniversalChallengerReader(publicClient, protocolParamsAddress);
 * const challengers = await reader.getCurrentUniversalChallengers();
 * ```
 */
export declare class ViemUniversalChallengerReader implements UniversalChallengerReader {
    private publicClient;
    private contractAddress;
    constructor(publicClient: PublicClient, contractAddress: Address);
    getUniversalChallengersByVersion(version: number): Promise<AddressBTCKeyPair[]>;
    getCurrentUniversalChallengers(): Promise<AddressBTCKeyPair[]>;
    getLatestUniversalChallengersVersion(): Promise<number>;
}
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