import { Pool } from "pg";
import { NodePgDatabase } from "drizzle-orm/node-postgres";
export declare class DatabasePoolManager {
    private pools;
    private drizzleInstances;
    readonly defaultDatabaseName: string;
    private readonly rootConnectionString;
    constructor(adminConnectionString: string);
    getDrizzle(databaseName: string): NodePgDatabase<Record<string, never>>;
    getPool(databaseName: string): Pool;
    /**
     * Disconnect and remove the pool for a specific database.
     * Required before `CREATE DATABASE ... TEMPLATE` or `DROP DATABASE`,
     * which need exclusive access to the target database.
     */
    disconnectDatabase(databaseName: string): Promise<void>;
    /** Check if a pool exists for a given database name. */
    hasPool(databaseName: string): boolean;
    shutdown(): Promise<void>;
}