import BigNumber from 'bignumber.js';
import { BaseCoin as StaticsBaseCoin } from '@bitgo/statics';
export declare class IcpAgent {
    private readonly host;
    private readonly staticsCoin;
    constructor(host: string, staticsCoin: Readonly<StaticsBaseCoin>);
    /**
     * Creates a new HTTP agent for communicating with the Internet Computer.
     * @returns An instance of HttpAgent.
     */
    private createAgent;
    /**
     * Retrieves an instance of the ledger canister agent.
     *
     * This method creates a new agent using `createAgent()`, initializes a replica interface
     * with the agent (configured for local use), and returns an `AgentCanister` instance
     * for the ledger canister identified by `LEDGER_CANISTER_ID`.
     *
     * @returns {AgentCanister} An agent interface for interacting with the ledger canister.
     */
    private getLedger;
    /**
     * Fetches the account balance for a given principal ID.
     * @param principalId - The principal ID of the account.
     * @returns Promise resolving to the account balance as a string.
     * @throws Error if the balance could not be fetched.
     */
    getBalance(principalId: string): Promise<BigNumber>;
    /**
     * Fetches the transaction fee from the ledger.
     * @returns Promise resolving to the transaction fee as a string.
     * @throws Error if the fee could not be fetched.
     */
    getFee(): Promise<BigNumber>;
}
//# sourceMappingURL=icpAgent.d.ts.map