import { Address, PublicClient } from 'viem';
import { KeyEpochs, OperationKeyQuery, OperationKeyReader, RawOperationKeys, RawPayoutScripts } from './types';
/** Addresses of the three registries an operation-key resolution spans. */
export interface OperationKeyContracts {
    btcVaultRegistry: Address;
    applicationRegistry: Address;
    protocolParams: Address;
}
/**
 * Reads RFC-006 operation keys and payout scripts.
 *
 * Usage:
 * ```ts
 * const reader = new ViemOperationKeyReader(publicClient, contracts);
 * const keys = await reader.getCurrentOperationKeys(query);
 * ```
 */
export declare class ViemOperationKeyReader implements OperationKeyReader {
    private publicClient;
    private contracts;
    constructor(publicClient: PublicClient, contracts: OperationKeyContracts);
    /**
     * One multicall, `allowFailure: false`, so every key in the set is read at
     * the same block. A rotation landing between two separate `eth_call`s would
     * otherwise produce a mixed-epoch key set and a lock no counterparty agrees
     * with.
     */
    private readAll;
    getCurrentOperationKeys(query: OperationKeyQuery): Promise<RawOperationKeys>;
    getOperationKeysAtEpochs(query: OperationKeyQuery, epochs: KeyEpochs): Promise<RawOperationKeys>;
    getPayoutScriptsAtEpochs(query: OperationKeyQuery, epochs: KeyEpochs): Promise<RawPayoutScripts>;
}
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