export interface PhysicalReplica {
    pid: string;
    clientAddr: string;
    userName: string;
    applicationName: string;
    lagSec: number | null;
    feedbackAgoSec: number | null;
    masterLsn: string | null;
    replicaLsn: string | null;
    gap: number | null;
}
/**
 * Returns detailed information about physical replicas of a DSN. Works for
 * vanilla PostgreSQL only: in Aurora, it returns an empty array.
 */
export declare function getPhysicalReplicas({ dsn, comment, }: {
    dsn: string;
    comment?: string;
}): Promise<PhysicalReplica[]>;
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