/** Nano unit. */
export declare enum Unit {
    /** 10^0 raw in hexadecimal format */
    hex = "hex",
    /** 10^0 raw */
    raw = "raw",
    /** 10^24 raw */
    nano = "nano",
    /** 10^27 raw */
    knano = "knano",
    /** 10^30 raw */
    Nano = "Nano",
    /** 10^30 raw */
    NANO = "NANO",
    /** 10^33 raw */
    KNano = "KNano",
    /** 10^36 raw */
    MNano = "MNano"
}
/** Convert parameters. */
export interface ConvertParams {
    /** The unit to convert the value from */
    from: Unit;
    /** The unit to convert the value to */
    to: Unit;
}
/**
 * Convert a value from one Nano unit to another.
 *
 * @param value - The value to convert
 * @param params - Params
 * @returns Converted number
 */
export declare function convert(value: string, params: ConvertParams): string;