/**
 * @title isNumber
 * @description 是数字
 * @param value {unknown}
 * @returns {boolean}
 */
export declare const isNumber: (value: unknown) => value is number;
/**
 * @title isEffectNumber
 * @description 是js的有效区间的数, 非number类型都为false
 * @param value {unknown}
 * @returns boolean
 */
export declare function isEffectNumber(value: unknown): value is number;
/**
 * @title isFloat
 * @description 判断数是浮点型
 * @param value {unknown} 待检测的数据类型
 * @returns boolean
 */
export declare function isFloat(value: unknown): value is number;
/**
 * @title isBigInt
 * @description 是bigInt类型
 * @param value 待检测的数据类型
 * @returns {boolean}
 */
export declare const isBigInt: (value: unknown) => value is bigint;
/**
 * @title likeNumber
 * @description 是数字/数字字符串
 * @support: Number, NumberString
 * @unsupported: Infinity, Function
 * @param value any
 * @returns boolean
 * @version 0.1.0
 */
export declare function likeNumber(value: unknown): value is `${number}`;
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