function sessions () {
    deprecate(
        'sessions',
        this.options.deprecationWarnings,
        'This command is not part of the W3C WebDriver spec and won\'t be supported in ' +
        'future versions of the driver. There is currently no known replacement for this ' +
        'command.'
    )

    return this.requestHandler.create({
        path: '/sessions',
        method: 'GET',
        requiresSession: false
    })
}
Returns a list of the currently active sessions. Each session will be returned
as a list of JSON objects with the following keys:

| Key          | Type   | Description    |
|--------------|--------|----------------|
| id           | string | The session ID |
| capabilities | object | An object describing the [session capabilities](https://w3c.github.io/webdriver/webdriver-spec.html#capabilities) |

This command is deprecated and will be removed soon. Make sure you don't use it in your
automation/test scripts anymore to avoid errors.

@return {Object[]} a list of the currently active sessions

@see  https://github.com/SeleniumHQ/selenium/wiki/JsonWireProtocol#sessions
@type protocol
@deprecated