/**
 * SQLite-backed implementations of `ElicitationStore` and `GrantStore`.
 *
 * These hold OAuth state that currently goes through `MemoryElicitationStore`
 * and `MemoryGrantStore` in `oauth.ts` — elicitation requests (short-lived,
 * waiting for a user to complete the upstream OAuth flow) and photon grants
 * (long-lived, encrypted refresh tokens for upstream APIs like Stripe/GitHub).
 *
 * Without persistent storage, every daemon restart forces users to re-auth
 * against every upstream provider because the grants live in memory only.
 * Moving grants to SQLite fixes that; elicitations benefit because pending
 * approvals survive a crash of the daemon during the redirect window.
 *
 * Runtime-agnostic via `src/shared/sqlite-runtime.ts`:
 * - Under Bun: uses built-in `bun:sqlite`
 * - Under Node: falls back to `better-sqlite3`
 */
import type { ElicitationRequest, PhotonGrant } from '../types/index.js';
import type { ElicitationStore, GrantStore } from './oauth.js';
import { type SqliteDatabase } from '../../shared/sqlite-runtime.js';
export declare function openOauthDatabase(path: string): Promise<SqliteDatabase>;
export declare class SqliteElicitationStore implements ElicitationStore {
    private insert;
    private select;
    private updateStmt;
    private remove;
    private sweepStmt;
    constructor(db: SqliteDatabase);
    create(data: Omit<ElicitationRequest, 'id' | 'createdAt'>): Promise<ElicitationRequest>;
    get(id: string): Promise<ElicitationRequest | null>;
    update(id: string, data: Partial<ElicitationRequest>): Promise<void>;
    delete(id: string): Promise<void>;
    cleanup(): Promise<number>;
}
export declare class SqliteGrantStore implements GrantStore {
    private insert;
    private selectByKey;
    private selectByUser;
    private updateStmt;
    private remove;
    constructor(db: SqliteDatabase);
    find(tenantId: string, photonId: string, provider: string, userId?: string): Promise<PhotonGrant | null>;
    create(data: Omit<PhotonGrant, 'id' | 'createdAt' | 'updatedAt'>): Promise<PhotonGrant>;
    update(id: string, data: Partial<PhotonGrant>): Promise<void>;
    delete(id: string): Promise<void>;
    findByUser(tenantId: string, userId: string): Promise<PhotonGrant[]>;
}
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