import type { Driver } from 'iso-kv';
import type { CID } from 'multiformats';
import { KV } from 'iso-kv';
import { Delegation } from './delegation.js';
import type { StoreProofsOptions } from './types.js';
/**
 * Store
 */
export declare class Store {
    #private;
    driver: Driver;
    kv: KV;
    constructor(driver: Driver);
    add(delegations: Delegation[]): Promise<void>;
    /**
     * Get a delegation by cid
     */
    get(cid: string): Promise<Delegation | undefined>;
    /**
     * Resolve a proof by CID
     */
    resolveProof(cid: CID): Promise<Delegation>;
    /**
     * List proofs by sub and aud
     */
    proofs(options: Omit<StoreProofsOptions, 'args'>): AsyncGenerator<Delegation>;
    /**
     * Resolve a single chain of proofs ending with a root (subject === issuer).
     * Returns the first such chain found (depth-first).
     */
    chain({ aud, sub, cmd, args }: StoreProofsOptions): Promise<Delegation[]>;
}
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