export type QueryResult<T> = {
    rowCount: number;
    rows: T[];
};
export interface PgClient {
    query<T = any>(query: string, params?: unknown[]): Promise<QueryResult<T>>;
    exec?(query: string): Promise<unknown>;
}
export interface PgReleasableClient extends PgClient {
    release: () => void;
}
export interface PgPoolLike extends PgClient {
    connect: () => Promise<PgReleasableClient>;
    on(ev: 'remove', handler: (cl: PgReleasableClient) => void): this;
    off(ev: 'remove', handler: (cl: PgReleasableClient) => void): this;
}
export type PgClientLike = PgClient | PgPoolLike;