import { Functional } from '../../../../../../Class/Functional';
import { Done } from '../../../../../../Class/Functional/Done';
import { System } from '../../../../../../system';
export type I = {
    value: string;
};
export type O = {
    hash: string;
};
export default class Sign extends Functional<I, O> {
    constructor(system: System);
    f({ value }: {
        value: any;
    }, done: Done<O>): void;
}
