import type { SendTransactionIntent, StakingTransactionIntent, TransactionIntent } from './api';
import BigNumber from 'bignumber.js';
export declare function fromBigNumberToBigInt(bigNumber: BigNumber | undefined): bigint | undefined;
export declare function fromBigNumberToBigInt(bigNumber: BigNumber | undefined, defaultValue: bigint): bigint;
export declare function isSendTransactionIntent(tx: TransactionIntent): tx is SendTransactionIntent;
export declare function isStakingTransactionIntent(tx: TransactionIntent): tx is StakingTransactionIntent;
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