function isEmptyArray(val: unknown[]): boolean
function isntEmptyArray(val: T[]): val is NonEmptyArray

function isAsyncIterable(val: unknown): val is AsyncIterable
function isntAsyncIterable(val: T): val is Exclude>

function isBigInt(val: unknown): val is bigint
function isntBigInt(val: T): val is Exclude

function isBoolean(val: unknown): val is boolean

function isChar(val: unknown): val is string
function isntChar(val: unknown): boolean

function isDate(val: unknown): val is Date
function isntDate(val: T): val is Exclude

function inEnum(val: unknown, _enum: object): val is T

function isError(val: unknown): val is Error
function isntError(val: T): val is Exclude

function isFalsy(val: unknown): val is Falsy
function isntFalsy(val: T): val is Exclude

function isFunction any>(
val: unknown
): val is T
function isntFunction(val: T): val is Exclude

function isIterable(val: unknown): val is Iterable
function isntIterable(val: T): val is Exclude>

function isJson(val: unknown): Json
function isntJson(val: T): val is Exclude

function isJsonable(val: unknown): boolean
function isntJsonable(val: T): boolean

function isNull(val: unknown): val is null
function isntNull(val: T): val is Exclude

function isNullish(val: unknown): val is Nullish
function isntNullish(val: T): val is Exclude

function isNumber(val: unknown): val is number
function isntNumber(val: T): val is Exclude

function isFinite(val: number): boolean
function isPositiveInfinity(val: number): boolean
function isNegativeInfinity(val: number): boolean
function isNaN(val: number): boolean
function isntNaN(val: number): boolean

function isObject(val: unknown): val is object & Record
function isntObject(val: T): val is Exclude>

function isPlainObject(val: unknown): val is object & Record
function isntPlainObject(val: T): val is Exclude>

function isEmptyObject(val: object): boolean
function isntEmptyObject(val: object): boolean

function isPromise(val: unknown): val is Promise
function isntPromise(val: T): val is Exclude>

function isntPromiseLike(val: T): val is Exclude>
function isPromiseLike(val: unknown): val is PromiseLike

function isString(val: unknown): val is string
function isntString(val: T): val is Exclude

function isUndefined(val: unknown): val is undefined
function isntUndefined(val: T): val is Exclude

function isAbsoluteURL(str: string): boolean

function isRegExp(val: unknown): val is RegExp
function isntRegExp(val: T): val is Exclude