import { Decimal } from 'decimal.js';
import { TransactionFeeRateJSON } from '../interfaces';
/** Crypto transactions fee rates. */
export declare class TransactionFeeRate {
    /** @internal */
    json: TransactionFeeRateJSON;
    /** Fee rate resulting in slow confirmation time. */
    slow: Decimal;
    /** Fee rate resulting in average confirmation time. */
    average: Decimal;
    /** Fee rate resulting in fast confirmation time. */
    fast: Decimal;
    /** Slow confirmation time in hours. */
    slowTime: number;
    /** Average confirmation time in hours. */
    averageTime: number;
    /** Fast confirmation time in hours. */
    fastTime: number;
    /** Fee rate information provider. */
    source: string;
    /** @internal */
    constructor(json: TransactionFeeRateJSON);
}