import type { FeeMarketEIP1559Values, GasPriceValue, TransactionParams } from '../types.js';
/**
 * Returns new transaction parameters with increased gas fees.
 *
 * @param originalTransactionParams - The original transaction parameters.
 * @param rate - The rate by which to increase the existing gas fee properties.
 * @param newGasValues - Optional new gas values to use instead of increased the existing values.
 * @returns The new transaction parameters with the increased gas fee properties.
 */
export declare function getTransactionParamsWithIncreasedGasFee(originalTransactionParams: TransactionParams, rate: number, newGasValues?: GasPriceValue | FeeMarketEIP1559Values): TransactionParams;
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