function ipv4import { ipv4 } from "https://deno.land/x/valibot@v0.23.0/mod.ts"; ipv4<TInput extends string>(message?: ErrorMessage): Ipv4Validation<TInput>Creates a validation function that validates an IPv4 address. Type ParametersTInput extends stringParametersoptionalmessage: ErrorMessage = [UNSUPPORTED]The error message. ReturnsIpv4Validation<TInput>A validation function.