function customimport { custom } from "https://deno.land/x/valibot@v0.23.0/mod.ts"; custom<TInput>(requirement: (input: TInput) => boolean, message?: ErrorMessage): CustomValidation<TInput>Creates a custom validation function. Type ParametersTInputParametersrequirement: (input: TInput) => booleanThe validation function. optionalmessage: ErrorMessage = [UNSUPPORTED]The error message. ReturnsCustomValidation<TInput>A validation function.