interface Optionimport { type Option } from "https://deno.land/x/monads@v0.5.10/option/option.ts"; Type ParametersTPropertiestype: symbolMethodsisSome(): booleanisNone(): booleanmatch<U>(fn: Match<T, U>): Umap<U>(fn: (val: T) => U): Option<U>andThen<U>(fn: (val: T) => Option<U>): Option<U>or<U>(optb: Option<U>): Option<T | U>and<U>(optb: Option<U>): Option<U>unwrapOr(def: T): Tunwrap(): T | never