export type RawQueryFunction = (query: unknown, values?: unknown[]) => Promise<unknown>;
export default interface PgClient {
    query: RawQueryFunction;
    connect(): Promise<void>;
    end(): Promise<void>;
    on(event: 'error', handler: (err: Error) => void): void;
    on(event: 'connect' | 'drain' | 'end', handler: () => void): void;
    on(event: 'notification' | 'notice', handler: (notificationOrNotice: unknown) => void): void;
    removeListener(event: 'error', handler: (err: Error) => void): void;
    removeListener(event: 'connect' | 'drain' | 'end', handler: () => void): void;
    removeListener(event: 'notification' | 'notice', handler: (notificationOrNotice: unknown) => void): void;
    connection?: {
        stream?: {
            destroy?: () => void;
        };
    };
}