import { AbstractConnection } from '..';
import { PostgresClientOptions, PostgresClientType, PostgresClassType, PostgresPoolClientType } from '../../../types/postgres';
declare class PostgresConnection extends AbstractConnection<PostgresClassType, PostgresClientOptions> {
    defaultOptions: PostgresClientOptions;
    protected static poolClientInstances: Set<PostgresPoolClientType>;
    protected static connectionInstances: Set<PostgresClientType>;
    poolClientInstance: PostgresPoolClientType;
    createConnection(clientConstructor: any, options: PostgresClientOptions, config?: {
        connect?: boolean;
        provider?: string;
    }): Promise<PostgresClientType>;
    getClient(): PostgresClientType;
    static disconnectAll(): Promise<void>;
    static disconnectPoolClients(): Promise<void>;
    static disconnectConnections(): Promise<void>;
    closeConnection(connection: PostgresClientType): Promise<void>;
    static isPoolClient(client: any): client is PostgresPoolClientType;
    static getTransactionClient(transactionClient: any): Promise<['client' | 'poolclient', PostgresClientType]>;
}
export { PostgresConnection };