Type Alias FluentMaybe<T>

FluentMaybe: Maybe<T> & {
    andThen<U>(fn: (value: T) => Maybe<U>): FluentMaybe<U>;
    flatMap<U>(fn: (value: T) => Maybe<U>): FluentMaybe<U>;
    getOrElse(defaultValue: T): T;
    map<U>(fn: (value: T) => U): FluentMaybe<U>;
    match<U>(onSome: (value: T) => U, onNone: () => U): U;
    unwrapOr(defaultValue: T): T;
}