code: public void clearTemplateCacheFor(final String templateName) {
          Validate.notNull(templateName, "Template name cannot be null");
          if (!this.initialized) {
              initialize();
          }
          this.configuration.getTemplateManager().clearCachesFor(templateName);
      }
docs: <p>
  Clears the entry in the Template Cache for the specified
  template, if it is currently cached.
  </p>
  <p>
  If this method is called before the TemplateEngine has been initialized,
  it causes its initialization.
  </p>
  
  @param templateName the name of the template to be cleared from cache.