import { type Pool } from 'generic-pool';
import type { RawClient, ClientConfig, ClientConfigOrString } from "./client.type.js";
import { CommandAPI } from '../wire/command-set.js';
/**
 * Iggy client with connection pooling support.
 * Manages a pool of connections for efficient resource utilization.
 */
export declare class Client extends CommandAPI {
    /** Client configuration */
    _config: ClientConfig;
    /** Connection pool instance */
    _pool: Pool<RawClient>;
    /**
     * Creates a new pooled client.
     *
    * @param config - Client configuration or connection string
    */
    constructor(config: ClientConfigOrString);
    /**
     * Destroys the client and drains all connections from the pool.
     */
    destroy(): Promise<void>;
}
/**
 * Iggy client that uses a single persistent connection.
 * Suitable for applications that don't need connection pooling.
 */
export declare class SingleClient extends CommandAPI {
    /** Client configuration */
    _config: ClientConfig;
    /**
     * Creates a new single-connection client.
     *
    * @param config - Client configuration or connection string
    */
    constructor(config: ClientConfigOrString);
    /**
     * Destroys the client connection.
     */
    destroy(): Promise<void>;
}
/**
 * Simple Iggy client wrapper around an existing RawClient.
 * Useful when you already have a RawClient instance.
 */
export declare class SimpleClient extends CommandAPI {
    /**
     * Creates a new simple client from an existing RawClient.
     *
     * @param client - Existing RawClient instance
     */
    constructor(client: RawClient);
    /**
     * Destroys the underlying client connection.
     */
    destroy(): Promise<void>;
}
/**
 * Creates a SimpleClient with the given configuration.
 * Convenience function for quickly creating a client.
 *
 * @param config - Client configuration or connection string
 * @returns SimpleClient instance
 */
export declare const getClient: (config: ClientConfigOrString) => Promise<SimpleClient>;
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