import { type AgentEventRecord, type AgentEventSource, type AgentEventSourceOptions } from "@arnilo/prism";
import type { Pool } from "pg";
export interface PostgresAgentEventSourceOptions {
    readonly pool: Pool;
    readonly schema: string;
    readonly limits?: AgentEventSourceOptions;
    /** Reuse this secret on every replica to make source cursors resumable across them. */
    readonly cursorSecret?: string | Uint8Array;
}
export interface ClosablePostgresAgentEventSource extends AgentEventSource {
    /** Compatibility path for legacy RunLedger records that were not redacted. */
    appendLedger(record: AgentEventRecord): Promise<void>;
    close(): Promise<void>;
}
/** PostgreSQL durable source. Notifications only wake indexed durable reads. */
export declare function createPostgresAgentEventSource(options: PostgresAgentEventSourceOptions): ClosablePostgresAgentEventSource;