import { AbstractFoldable } from "./foldable";
import { Monoid } from "./monoid";
export declare type List<A> = ListImpl<A>;
export declare class ListImpl<A> extends AbstractFoldable<A> {
    arr: A[];
    constructor(arr: A[]);
    foldMapId<M extends Monoid<M>>(m: M, f: (a: A) => M): M;
}
export declare function fromArray<A>(arr: A[]): List<A>;