export declare type SinglyLinkedListNode<T> = {
    next: SinglyLinkedListNode<T> | null;
    value: T;
};
export declare type SinglyLinkedList<T> = {
    peek(): T | null;
    add(value: T): SinglyLinkedList<T>;
    remove(): T | null;
    size(): number;
};
export default function makeSinglyLinkedList<T>(initialValues?: T[]): SinglyLinkedList<T>;