function ipv4import { ipv4 } from "https://deno.land/x/valibot@v0.28.1/mod.ts"; ipv4<TInput extends string>(message?: ErrorMessage): Ipv4Validation<TInput>Creates a pipeline validation action that validates an IPv4 address. Type ParametersTInput extends stringParametersoptionalmessage: ErrorMessageThe error message. ReturnsIpv4Validation<TInput>A validation action.