Which interface WebDriver extends or what is the super most interface of WebDriver?

SearchContext is the super most interface in selenium, which is extended by another interface called WebDriver. All the abstract methods of SearchContext and WebDriver interfaces are implemented in RemoteWebDriver class.

All Known Subinterfaces: WebDriver, WebElement

All Known Implementing Classes: ChromeDriver, EdgeDriver, EventFiringWebDriver, FirefoxDriver, InternetExplorerDriver, OperaDriver, RemoteWebDriver, RemoteWebElement, SafariDriver

Methods: findElements, findElement