postgres/lib/Pool.php

<?php

namespace Amp\Postgres;

interface Pool extends Connection {
    /**
     * @return int Current number of connections in the pool.
     */
    public function getConnectionCount(): int;

    /**
     * @return int Current number of idle connections in the pool.
     */
    public function getIdleConnectionCount(): int;

    /**
     * @return int Maximum number of connections.
     */
    public function getMaxConnections(): int;
}