modules/jooby-ehcache/src/main/java/org/jooby/ehcache/Eh.java
public Eh doWith(final Consumer<Configuration> configurer) {
    requireNonNull(configurer, "Configurer callback is required.");
    return doWith((ehconf, conf) -> configurer.accept(ehconf));
  }
public Eh doWith(final Consumer<Configuration> configurer) {
    requireNonNull(configurer, "Configurer callback is required.");
    return doWith((ehconf, conf) -> configurer.accept(ehconf));
  }
Configure callback to manipulate a {@link Configuration} programmatically.

@param configurer A configure callback.
@return This {@link Eh} cache.