import type { AgentSpan, AgentTrace, TraceListWindow, TraceStore } from '@kuralle-agents/core';
import type { QueryResult } from 'pg';
type PostgresClient = {
    query: (text: string, params?: unknown[]) => Promise<QueryResult>;
};
export interface PostgresTraceStoreOptions {
    client: PostgresClient;
    tableName?: string;
    autoMigrate?: boolean;
    retentionMs?: number;
}
export declare class PostgresTraceStore implements TraceStore {
    private readonly options;
    private readonly table;
    private readonly ready;
    constructor(options: PostgresTraceStoreOptions);
    write(span: AgentSpan): Promise<void>;
    putSpan(span: AgentSpan): Promise<void>;
    getTrace(traceId: string): Promise<AgentTrace | null>;
    listTraces(sessionId: string, window?: TraceListWindow): Promise<AgentTrace[]>;
    cleanup(maxAgeMs: number): Promise<number>;
    private init;
}
export {};