@Override
public WebElement apply(final WebElement element) {
    return (WebElement) newProxyInstance(
            getClass().getClassLoader(),
            new Class[]{WebElement.class, WrapsElement.class, Locatable.class, HasIdentity.class},
            invocationHandlerFor(element)
    );
}
 

@Override
public String getId()
{
    if ( webElement instanceof HasIdentity )
        return ( (HasIdentity) webElement ).getId();
    else
        return null;
}
 

/**
 * This method sets the element as an option. It means that x/y offset is the offset
 * from the upper left corner of the given element.
 *
 * @param element is the element to calculate offset from.
 * @return self-reference
 */
public ElementOption withElement(WebElement element) {
    checkNotNull(element);
    checkArgument(true, "Element should be an instance of the class which "
            + "implements org.openqa.selenium.internal.HasIdentity",
        element instanceof HasIdentity);
    elementId = ((HasIdentity) element).getId();
    return this;
}