import { HelperBase } from '../helper-base';
/**
 * 数字绝对值
 *
 * @description 用法 {{abs string }}。效果: 获取数值字符串的绝对值
 * @export
 * @class HelperAbs
 * @extends {HelperBase}
 */
export declare class HelperAbs extends HelperBase {
    constructor(hbs: IData);
    onExecute(str: string): string;
}
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