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function isObjectLike(value: unknown) {  return typeof value === 'object' && value !== null}
export default function isObject<T = object>(input: unknown): input is T {  if (!isObjectLike(input) || Object.prototype.toString.call(input) !== '[object Object]') {    return false  }  if (Object.getPrototypeOf(input) === null) {    return true  }  let proto = input  while (Object.getPrototypeOf(proto) !== null) {    proto = Object.getPrototypeOf(proto)  }  return Object.getPrototypeOf(input) === proto}