misskey/src/@types/lookup-dns-cache.d.ts

declare module 'lookup-dns-cache' {
	import { LookupOneOptions, LookupAllOptions, LookupOptions, LookupAddress } from 'dns'

	function lookup(hostname: string, family: number, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
	function lookup(hostname: string, options: LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
	function lookup(hostname: string, options: LookupAllOptions, callback: (err: NodeJS.ErrnoException | null, addresses: LookupAddress[]) => void): void;
	function lookup(hostname: string, options: LookupOptions, callback: (err: NodeJS.ErrnoException | null, address: string | LookupAddress[], family: number) => void): void;
	function lookup(hostname: string, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
}