/**
 * 是否真实的是数字
 * @param v
 */
export declare function isRealNumber(v: any): boolean;
/**
 * @ignore
 * Determines whether between is
 * @param value
 * @param start
 * @param end
 * @returns true if between
 */
export declare function isBetween(value: number, start: number, end: number): boolean;
