import { TransactionData } from '../entities';
import { BaseAPI } from './baseAPI';
import { ContractTransaction, Provider } from 'ethers';
/**
 * Represents a class for handling operations related to making analytics queries from the voidnode server.
 *
 * @class ReferralAPI
 * @extends {BaseAPI}
 */
export declare class ReferralAPI extends BaseAPI {
    /**
     * Returns a promise containing the array of tokens and amounts for referral fees.
     * @param referrer {string} The address of the referrer.
     * @param {Provider} provider The custom provider to use for this call.
     * @returns {Promise<[string[], bigint[]] & { tokens: string[]; rebates: bigint[] }>} Promise the array of tokens and amounts for referral fees.
     */
    getRebates(referrer: string, provider?: Provider): Promise<[string[], bigint[]] & {
        tokens: string[];
        rebates: bigint[];
    }>;
    /**
     * Encodes the claimRebate parameters into a transaction that can be broadcasted to the provider network.
     *
     * @param {string[]} tokens - array of addresses of tokens to claim.
     * @param {Provider} provider - The custom provider to use for this call.
     * @returns {Promise<ContractTransaction>} A promise that resolves to a contract transaction for the claimRebate operation.
     */
    encodeClaimRebate(tokens: string[], provider?: Provider): Promise<ContractTransaction>;
    /**
     * Encodes the claimRebate parameters into a transaction that can be broadcasted to the provider network.
     *
     * @param {string[]} tokens - array of addresses of tokens to claim.
     * @param {Provider} provider - The custom provider to use for this call.
     * @returns {TransactionData} The encoded transaction data.
     */
    encodeClaimRebateSync(tokens: string[], provider?: Provider): TransactionData;
}