import { Numeric } from '../types';
export declare class Gas {
    static readonly DEFAULT = "30000000000000";
    private constructor();
    private static unitsToDecimals;
    /**
     * Parse from specific units and return a fixed string
     * @example
     * const rawGas = Gas.parse('5', 'T'); // '5000000000000'
     * @param gas human readable gas
     * @param units units
     */
    static parse(gas: Numeric, units: GasUnits): string;
    /**
     * Format in specific units and return a fixed string
     * @example
     * const humanReadableGas = Gas.format('5000000000000', 'T'); // '5'
     * @param gas raw gas
     * @param units units
     * @param decimalPlaces decimal places
     */
    static format(gas: Numeric, units: GasUnits, decimalPlaces?: number): string;
}
export type GasUnits = 'T' | 'G' | 'M' | 'K' | number;