update interfaces

src/Connection.php

@@ -1,21 +0,0 @@
-<?php
-
-namespace Amp\Sql;
-
-use Amp\CancellationToken;
-use Amp\Promise;
-
-interface Connection extends Link {
-    /**
-     * @param ConnectionConfig       $config
-     * @param CancellationToken|null $token
-     *
-     * @return Promise<Connection>
-     */
-    public static function connect(ConnectionConfig $config, CancellationToken $token = null): Promise;
-
-    /**
-     * @return int Timestamp of the last time this connection was used.
-     */
-    public function lastUsedAt(): int;
-}

src/ConnectionConfig.php

@@ -2,6 +2,7 @@
 
 namespace Amp\Sql;
 
-interface ConnectionConfig {
+interface ConnectionConfig
+{
     public function connectionString(): string;
 }

src/Executor.php

@@ -46,6 +46,11 @@ interface Executor {
      */
     public function isAlive(): bool;
 
+    /**
+     * @return int Timestamp of the last time this connection was used.
+     */
+    public function lastUsedAt(): int;
+
     /**
      * Closes the executor. No further queries may be performed.
      */