import { Balance } from '@tbdex/protocol';
import { BalancesApi } from './types.js';
/**
 * An in-memory implementation of {@link BalancesApi} for example and default purposes.
 * InMemoryBalancesApi has additional methods {@link InMemoryBalancesApi.addBalance}
 * {@link InMemoryBalancesApi.clearRequesterBalances}
 * and {@link InMemoryBalancesApi.clearBalances}
 */
export declare class InMemoryBalancesApi implements BalancesApi {
    /** Map from requester DID to list of Balances */
    balancesMap: Map<string, Balance[]>;
    constructor();
    /**
     * Add a single balance resource
     * @param balance - Balance to be added to the {@link balancesMap}
     */
    addBalance(opts: {
        requesterDid: string;
        balance: Balance;
    }): void;
    /**
     * Clear existing list of balances for a single requester
     */
    clearRequesterBalances(opts: {
        requesterDid: string;
    }): void;
    /**
     * Clear existing list of balances
     */
    clearAllBalances(): void;
    /**
     *
     * @returns A list of balances
     */
    getBalances(opts?: {
        requesterDid: string;
    }): Promise<Balance[]>;
}
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