import { Semigroup, combine } from "./semigroup";
export interface Monoid<A> extends Semigroup<A> {
    identity: () => A;
}
export interface MonoidDictionary<M extends Monoid<M>> {
    identity: () => M;
}
export interface MonoidConstructor<A, M extends Monoid<M>> {
    create(a: A): M;
    identity: () => M;
}
export declare type AnyMonoid<A> = string | Array<any> | Monoid<A>;
export declare function identity(m: ArrayConstructor): any[];
export declare function identity(m: StringConstructor): string;
export declare function identity<M extends Monoid<M>>(m: MonoidDictionary<M>): M;
export { combine };