/**
 * This file is part of Swapable shared under AGPL-3.0
 * Copyright (C) 2021 Using Blockchain Ltd, Reg No.: 12658136, United Kingdom
 *
 * @package     Swapable
 * @author      Grégory Saive for Using Blockchain Ltd <greg@ubc.digital>
 * @license     AGPL-3.0
 */
import { AggregateTransaction, PublicAccount, Transaction } from 'symbol-sdk';
import { TransactionURI } from 'symbol-uri-scheme';
import { AllowanceResult, Command, CommandOption, Context } from '../../index';
/**
 * @class BaseCommand
 * @package Swapable
 * @subpackage Contracts
 * @since v1.0.0
 * @description Abstract class that describes a command interface for executing
 *              commands that involve swapable digital assets.
 */
export declare abstract class BaseCommand implements Command {
    /**
     * @description Execution context
     */
    readonly context: Context;
    /**
     * Construct a command object around `context`.
     *
     * @param {Context} context
     */
    constructor(
    /**
     * @description Execution context
     */
    context: Context);
    /**
     * Getter for the command name.
     *
     * @return {string}
     **/
    abstract get name(): string;
    /**
     * Getter for the command descriptor.
     *
     * @return {string}
     **/
    abstract get descriptor(): string;
    /**
     * Verifies **allowance** of `actor` to execute command. Arguments to
     * the command execution can be passed in `argv`.
     *
     * @param   {PublicAccount}                actor
     * @param   {Array<CommandOption>}   argv
     * @return  {AllowanceResult}
     **/
    abstract canExecute(actor: PublicAccount, argv: CommandOption[] | undefined): AllowanceResult;
    /**
     * Execute the command with `actor` operator account. Arguments to
     * the command execution can be passed in `argv`.
     *
     * @param   {PublicAccount}           actor
     * @param   {Array<CommandOption>}    argv
     * @return  {TransactionURI}
     **/
    abstract execute(actor: PublicAccount, argv: CommandOption[] | undefined): TransactionURI<Transaction>;
    /**
     * Prepare the command's transactions. Some commands may require
     * the atomic execution of all their transactions and therefor
     * need the prepare method to wrap transactions inside an aggregate
     * transaction.
     *
     * @param   {PublicAccount}         actor
     * @param   {Array<CommandOption>}   argv
     * @return  {TransactionURI}
     **/
    protected abstract prepare(): AggregateTransaction | Transaction;
    /**
     * Build a command's transactions. Transactions returned here will
     * be formatted to a transaction URI in the `execute()` step.
     *
     * @return {Transaction}
     **/
    protected abstract get transactions(): Transaction[];
    /**
     * Asserts the allowance of `actor` to execute the command.
     *
     * @param {PublicAccount} actor
     * @param {CommandOption[]} argv
     * @throws {FailureOperationForbidden} On denial of authorization
     */
    protected assertExecutionAllowance(actor: PublicAccount, argv: CommandOption[] | undefined): boolean;
    /**
     * Asserts the presence of `fields` in `argv`.
     *
     * @param {CommandOption[]} argv
     * @param {string[]} fields
     * @throws {FailureMissingArgument} On missing mandatory argument(s).
     */
    protected assertHasMandatoryArguments(argv: CommandOption[] | undefined, fields: string[]): boolean;
}