import type { StellarNamespace, TargetToken } from './types';
import type { TargetNamespace } from '../../shared';
import type { NextTransactionStateError } from '../common/produceNextStateForTransaction';
import type { BlockedReason, ExecuterActions } from '@arthur2079/queue-manager-core';
import type { WalletType } from '@arthur2079/wallets-shared';
import type { PendingSwap, StellarTransaction } from 'rango-types';
import type { Result } from 'ts-results';
import { type SwapActionTypes, type SwapQueueContext, type SwapStorage } from '../../types';
export declare function ensureStellarNamespaceExists(context: SwapQueueContext, walletType: string): Promise<Result<StellarNamespace, NextTransactionStateError>>;
export declare function checkIfTrustLineIsAlreadyOpened(account: string, token: TargetToken, options: {
    namespace: StellarNamespace;
}): Promise<Result<{
    trustLineIsAlreadyOpened: boolean;
}, NextTransactionStateError>>;
export declare function createTrustLineTransaction(_accountId: string, token: TargetToken): StellarTransaction;
export declare function getStellarWalletFromSwap(swap: PendingSwap): {
    type: WalletType;
    namespace: TargetNamespace;
    address: string;
} | null;
export declare function ensureRequiredStellarWalletIsConnected(actions: ExecuterActions<SwapStorage, SwapActionTypes, SwapQueueContext>, requiredWallet: {
    type: WalletType;
    namespace: TargetNamespace;
    address: string;
}): Promise<Result<true, BlockedReason>>;
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