/**
 * @copyright Cube Dev, Inc.
 * @license Apache-2.0
 * @fileoverview Named pool wrapper around generic-pool with enhanced error messages.
 */
import { Factory, Options } from 'generic-pool';
export declare class PoolTimeoutError extends Error {
    protected readonly poolName: string;
    constructor(poolName: string);
}
export type PoolFactory<T> = Factory<T>;
export type PoolOptions = Options;
export type PoolUserOptions = Pick<PoolOptions, 'acquireTimeoutMillis' | 'evictionRunIntervalMillis' | 'softIdleTimeoutMillis' | 'idleTimeoutMillis'>;
/**
 * Uses composition instead of inheritance because generic-pool doesn't export
 * a Pool class, the Pool type is an interface, not an extendable class.
 */
export declare class Pool<T> {
    private readonly pool;
    private readonly name;
    constructor(name: string, factory: PoolFactory<T>, options?: Options);
    acquire(priority?: number): Promise<T>;
    release(resource: T): Promise<void>;
    destroy(resource: T): Promise<void>;
    drain(): Promise<void>;
    clear(): Promise<void>;
    use<U>(cb: (resource: T) => U | Promise<U>): Promise<U>;
    get size(): number;
    get available(): number;
    get borrowed(): number;
    get pending(): number;
    get max(): number;
    get min(): number;
    get options(): {
        max: number;
        min: number;
    };
    on(event: 'factoryCreateError' | 'factoryDestroyError', listener: (err: Error) => void): this;
    get _factory(): Factory<T>;
}
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