import { EnkaClient } from "../../../client/EnkaClient";
import { UpgradableSkill } from "./UpgradableSkill";
import { ExcelJsonObject } from "../../../client/ExcelTransformer";
/**
 * Elemental Skill and Elemental Burst
 */
export declare class UniqueSkill extends UpgradableSkill {
    readonly maxCharge: number;
    readonly cooldown: number;
    constructor(data: ExcelJsonObject, enka: EnkaClient);
    static getById(id: number, enka: EnkaClient): UniqueSkill;
}