import '@sqb/oracle';
import '@sqb/postgres';
import { SqbClient } from '@sqb/connect';
import { ComponentBase } from '@syncbridge/common';
import { SqbClientPoolVariables, SqbClientVariables } from './sqb-client.variables.js';
/**
 * SqbClient component
 */
export declare class SqbClientComponent<TEvents extends SqbClientComponent.Events = SqbClientComponent.Events> extends ComponentBase<TEvents> {
    protected _livenessTimer?: NodeJS.Timeout;
    protected client: SqbClient;
    values: SqbClientVariables;
    protected _init(): Promise<void>;
    protected _start(abortSignal: AbortSignal): Promise<void>;
    protected _stop(): Promise<void>;
    protected _terminate(): Promise<void>;
    getClient(): SqbClient;
    protected _testConnection(abortSignal?: AbortSignal): Promise<void>;
    /**
     * Test db connection health every 5 secs
     * @protected
     */
    protected _liveness(): void;
    protected _resetLiveness(): void;
}
/**
 * @namespace
 */
export declare namespace SqbClientComponent {
    interface Events extends ComponentBase.Events {
    }
    const Variables: typeof SqbClientVariables;
    type Variables = SqbClientVariables;
    const PoolVariables: typeof SqbClientPoolVariables;
    type PoolVariables = SqbClientPoolVariables;
}