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