import { Canister } from '../../_canister';
import { type Account, type ApproveArgs, type ApproveResult, type IcrcCanisterOptions, type TransferArgs, type TransferFromArgs, type TransferFromResult, type TransferResult } from './schema';
/**
 * Provides a simple interface to interact with an ICRC Ledger,
 * when developing Juno Serverless Functions in TypeScript.
 *
 * @param {CanisterOptions} [options] - The options providing the ICRC ledger canister ID.
 */
export declare class IcrcLedgerCanister extends Canister {
    constructor(options: IcrcCanisterOptions);
    /**
     * Returns the balance of an ICRC account.
     *
     * @param {Account} account - The account to query.
     * @returns {Promise<bigint>} The token balance for the account.
     */
    icrc1BalanceOf: ({ account }: {
        account: Account;
    }) => Promise<bigint>;
    /**
     * Transfers tokens using the ICRC-1 `icrc1_transfer` method.
     *
     * Use this to send tokens from the caller's account to another account
     * when writing Juno Serverless Functions in TypeScript.
     *
     * @param {TransferArgs} args - Transfer arguments (amount, fee, to, memo, created_at_time, etc.).
     * @returns {Promise<TransferResult>} The result of the transfer.
     */
    icrc1Transfer: ({ args }: {
        args: TransferArgs;
    }) => Promise<TransferResult>;
    /**
     * Transfers tokens using the ICRC-2 `icrc2_transfer_from` method.
     *
     * Allows transferring tokens from another user's account when an approval
     * has previously been granted via `icrc2_approve`.
     *
     * @param {TransferFromArgs} args - Transfer-from arguments (amount, from_subaccount, spender, etc.).
     * @returns {Promise<TransferFromResult>} The result of the transfer-from operation.
     */
    icrc2TransferFrom: ({ args }: {
        args: TransferFromArgs;
    }) => Promise<TransferFromResult>;
    /**
     * Approves a spender to transfer tokens on behalf of the caller using the ICRC-2 `icrc2_approve` method.
     *
     * @param {ApproveArgs} args - Approve arguments (amount, spender, fee, expires_at, etc.).
     * @returns {Promise<ApproveResult>} The result of the approval.
     */
    icrc2Approve: ({ args }: {
        args: ApproveArgs;
    }) => Promise<ApproveResult>;
}