import type { AgentEventSourceOptions, SecretRedactor } from "@arnilo/prism";
import type { Pool, PoolConfig } from "pg";
/** Default PostgreSQL schema for Prism tables. */
export declare const DEFAULT_SCHEMA = "prism";
/** Default maximum pool size when the adapter creates its own pool. */
export declare const DEFAULT_POOL_MAX = 10;
export interface PostgresPersistenceOptions {
    /** Existing `pg` pool (advanced). Caller owns lifecycle when set. */
    readonly pool?: Pool;
    /** Connection string used when `pool` is omitted. */
    readonly connectionString?: string;
    /** PostgreSQL schema for Prism tables. Defaults to {@link DEFAULT_SCHEMA}. */
    readonly schema?: string;
    /** Maximum pool size when creating a pool from `connectionString`. Defaults to {@link DEFAULT_POOL_MAX}. */
    readonly poolMax?: number;
    /** Additional pool options when creating a pool from `connectionString`. */
    readonly poolConfig?: Omit<PoolConfig, "connectionString" | "max">;
    /** Redacts feedback comments/tags/metadata before durable storage. */
    readonly feedbackRedactor?: SecretRedactor;
    /** Bounds durable event pages, subscriptions, polling, and retention operations. */
    readonly eventSource?: AgentEventSourceOptions;
    /** Stable HMAC secret shared by replicas that resume durable event cursors. */
    readonly eventCursorSecret?: string | Uint8Array;
    /** Skip automatic migration on open (tests only). */
    readonly skipMigrations?: boolean;
}