bc518174
 王天杨
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/**
* @name isDate
* @category Common Helpers
* @summary Is the given value a date?
*
* @description
* Returns true if the given value is an instance of Date. The function works for dates transferred across iframes.
*
* @param value - The value to check
*
* @returns True if the given value is a date
*
* @example
* // For a valid date:
* const result = isDate(new Date())
* //=> true
*
* @example
* // For an invalid date:
* const result = isDate(new Date(NaN))
* //=> true
*
* @example
* // For some value:
* const result = isDate('2014-02-31')
* //=> false
*
* @example
* // For an object:
* const result = isDate({})
* //=> false
*/
export declare function isDate(value: unknown): value is Date;
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