import { BigNumber, ethers, Transaction } from 'ethers';
import { SignerOrProviderOrRpc } from '../bridgeTransfer';
export declare const getBlockTimeDifference: (blockNumber: ethers.BigNumber, provider: ethers.providers.Provider) => Promise<number | undefined>;
export declare const getBlockETA: (blockNumber: ethers.BigNumber, provider: ethers.providers.Provider) => Promise<number | undefined>;
export declare const getDecodedInputs: (tx: Transaction, ABI: any) => ethers.utils.TransactionDescription;
export declare const getProvider: (signerOrProviderOrRpc: SignerOrProviderOrRpc) => ethers.providers.Provider;
export declare function percentIncrease(num: BigNumber, increase: BigNumber): BigNumber;
export declare function scaleFrom18DecimalsToNativeTokenDecimals({ amount, decimals }: {
    amount: BigNumber;
    decimals: number;
}): BigNumber;