EDIT

import java.util.HashMap;

import java.util.List;

import org.openqa.selenium.By;

import org.openqa.selenium.JavascriptExecutor;

import org.openqa.selenium.NoSuchElementException;

    public FeatureBlock(WebDriver driver, WebElement element, String enclosingTag, String ... elementTags) {

        super(element);

        logger.trace("FeatureBlock() - constructor after super()");

        this.driver = driver;