/**
* retrieve / build the CrawljaxConfiguration for the given arguments.
*/
protected CrawljaxConfiguration getCrawljaxConfiguration() {
CrawljaxConfigurationBuilder builder =
CrawljaxConfiguration.builderFor(WEB_SERVER.getSiteUrl());
builder.crawlRules().waitAfterEvent(getTimeOutAfterEvent(), TimeUnit.MILLISECONDS);
builder.crawlRules()
.waitAfterReloadUrl(getTimeOutAfterReloadUrl(), TimeUnit.MILLISECONDS);
builder.setMaximumDepth(3);
builder.crawlRules().clickOnce(true);
builder.setBrowserConfig(getBrowserConfiguration());
addCrawlElements(builder);
builder.crawlRules().setInputSpec(getInputSpecification());
addCrawlConditions(builder);
addOracleComparators(builder);
addInvariants(builder);
addWaitConditions(builder);
addPlugins(builder);
return builder.build();
}