import { Salter } from './salter';
import { Algos } from './manager';
import { Tier } from './salter';
import { Signer } from './signer';
import { HabState, State } from './state';
/** External module definition */
export interface ExternalModuleType {
    new (pidx: number, args: KeeperParams): Keeper;
}
export interface ExternalModule {
    type: string;
    name: string;
    module: ExternalModuleType;
}
export type KeeperResult = [string[], string[]];
export type SignResult = string[];
export interface KeeperParams {
    [key: string]: unknown;
}
export interface SaltyParams extends KeeperParams {
    pidx: number;
    kidx: number;
    tier: Tier;
    transferable: boolean;
    stem: string | undefined;
    icodes: string[] | undefined;
    ncodes: string[] | undefined;
    dcode: string | undefined;
    sxlt: string | undefined;
}
export interface RandyParams extends KeeperParams {
    nxts?: string[];
    prxs?: string[];
    transferable: boolean;
}
export interface GroupParams extends KeeperParams {
    mhab: HabState;
}
export interface Keeper<T extends KeeperParams = KeeperParams> {
    algo: Algos;
    signers: Signer[];
    params(): T;
    incept(transferable: boolean): Promise<KeeperResult>;
    rotate(ncodes: string[], transferable: boolean, states?: State[], rstates?: State[]): Promise<KeeperResult>;
    sign(ser: Uint8Array, indexed?: boolean, indices?: number[], ondices?: number[]): Promise<SignResult>;
}
export declare class KeyManager {
    private salter;
    private modules;
    constructor(salter: Salter, externalModules?: ExternalModule[]);
    new(algo: Algos, pidx: number, kargs: any): Keeper<KeeperParams> | GroupKeeper;
    get(aid: HabState): Keeper;
}
export declare class SaltyKeeper implements Keeper {
    private aeid;
    private encrypter;
    private decrypter;
    private salter;
    private pidx;
    private kidx;
    private tier;
    private transferable;
    private stem;
    private code;
    private count;
    private icodes;
    private ncode;
    private ncount;
    private ncodes;
    private dcode;
    private sxlt;
    private bran;
    private creator;
    algo: Algos;
    signers: Signer[];
    constructor(salter: Salter, pidx: number, kidx?: number, tier?: Tier, transferable?: boolean, stem?: string | undefined, code?: string, count?: number, icodes?: string[] | undefined, ncode?: string, ncount?: number, ncodes?: string[] | undefined, dcode?: string, bran?: string | undefined, sxlt?: string | undefined);
    params(): SaltyParams;
    incept(transferable: boolean): Promise<KeeperResult>;
    rotate(ncodes: string[], transferable: boolean): Promise<[string[], string[]]>;
    sign(ser: Uint8Array, indexed?: boolean, indices?: number[] | undefined, ondices?: number[] | undefined): Promise<SignResult>;
}
export declare class RandyKeeper implements Keeper {
    private salter;
    private code;
    private count;
    private icodes;
    private transferable;
    private ncount;
    private ncodes;
    private ncode;
    private dcode;
    private prxs;
    private nxts;
    private aeid;
    private encrypter;
    private decrypter;
    private creator;
    algo: Algos;
    signers: Signer[];
    constructor(salter: Salter, code: string | undefined, count: number | undefined, icodes: string[] | undefined, transferable: boolean | undefined, ncode: string | undefined, ncount: number | undefined, ncodes: string[], dcode?: string, prxs?: string[] | undefined, nxts?: string[] | undefined);
    params(): RandyParams;
    incept(transferable: boolean): Promise<KeeperResult>;
    rotate(ncodes: string[], transferable: boolean): Promise<KeeperResult>;
    sign(ser: Uint8Array, indexed?: boolean, indices?: number[] | undefined, ondices?: number[] | undefined): Promise<SignResult>;
}
export declare class GroupKeeper implements Keeper {
    private manager;
    private mhab;
    private gkeys;
    private gdigs;
    algo: Algos;
    signers: Signer[];
    constructor(manager: KeyManager, mhab: HabState, states?: State[] | undefined, rstates?: State[] | undefined, keys?: string[], ndigs?: string[]);
    incept(): Promise<KeeperResult>;
    rotate(_ncodes: string[], _transferable: boolean, states: State[], rstates: State[]): Promise<KeeperResult>;
    sign(ser: Uint8Array, indexed?: boolean): Promise<SignResult>;
    params(): {
        mhab: HabState;
        keys: string[];
        ndigs: string[];
    };
}