Laravel アノテーションの理解について。

Laravel アノテーションについて質問です。

php
1<?php
2
3namespace Illuminate\Support\Facades;
4
5/**
6 * @method static \Illuminate\Database\ConnectionInterface connection(string $name = null)
7 * @method static string getDefaultConnection()
8 * @method static void setDefaultConnection(string $name)
9 * @method static \Illuminate\Database\Query\Builder table(string $table)
10 * @method static \Illuminate\Database\Query\Expression raw($value)
11 * @method static mixed selectOne(string $query, array $bindings = [])
12 * @method static array select(string $query, array $bindings = [])
13 * @method static bool insert(string $query, array $bindings = [])
14 * @method static int update(string $query, array $bindings = [])
15 * @method static int delete(string $query, array $bindings = [])
16 * @method static bool statement(string $query, array $bindings = [])
17 * @method static int affectingStatement(string $query, array $bindings = [])
18 * @method static bool unprepared(string $query)
19 * @method static array prepareBindings(array $bindings)
20 * @method static mixed transaction(\Closure $callback, int $attempts = 1)
21 * @method static void beginTransaction()
22 * @method static void commit()
23 * @method static void rollBack()
24 * @method static int transactionLevel()
25 * @method static array pretend(\Closure $callback)
26 *
27 * @see \Illuminate\Database\DatabaseManager
28 * @see \Illuminate\Database\Connection
29 */
30class DB extends Facade
31{
32    /**
33     * Get the registered name of the component.
34     *
35     * @return string
36     */
37    protected static function getFacadeAccessor()
38    {
39        return 'db';
40    }
41}
42