/// <reference types="node" />
import { BehaviorSubject } from "rxjs";
import { InstanceID, Proof } from "@dedis/cothority/byzcoin";
import { Darc, IIdentity, Rules } from "@dedis/cothority/darc";
import { TransactionBuilder } from "./transactionBuilder";
export declare class DarcsBS extends BehaviorSubject<DarcBS[]> {
    constructor(sbs: BehaviorSubject<DarcBS[]>);
}
export declare class DarcBS extends BehaviorSubject<Darc> {
    readonly inst: BehaviorSubject<Proof>;
    constructor(darc: BehaviorSubject<Darc>);
    evolve(tx: TransactionBuilder, updates: IDarcAttr, unrestricted?: boolean): Darc;
    setSignEvolve(tx: TransactionBuilder, idSign: IIdentity | InstanceID, idEvolve?: Buffer | IIdentity): void;
    addSignEvolve(tx: TransactionBuilder, idSign: IIdentity | InstanceID, idEvolve?: Buffer | IIdentity): void;
    rmSignEvolve(tx: TransactionBuilder, id: IIdentity | InstanceID): void;
}
export interface IDarcAttr {
    description?: Buffer;
    rules?: Rules;
}