/**
 * Asset - asset type of eos
 * @author kinghand@foxmail.com
 */
export default class Asset {
    protected _val: number;
    protected _sym: string;
    protected _decimal: number;
    constructor(_val: number, _sym: string, _decimal?: number);
    /**
     * get value
     * @return {*}
     */
    readonly val: number;
    /**
     * get symbol
     * @return {*}
     */
    readonly sym: string;
    /**
     * get decimal
     * @return {number|*}
     */
    readonly decimal: number;
    /**
     * Get String val without symbol
     * @return {string | *}
     */
    readonly valStr: string;
    /**
     * Get string val with symbol, such as '1.0000 EOS'
     * @return {string}
     */
    toString(): string;
    /**
     * create a asset by asset string
     * @param {string} assetStr
     * @return {Asset}
     */
    static parse(assetStr: string): Asset;
}