code: public WebServiceTemplateBuilder additionalCustomizers(
  			WebServiceTemplateCustomizer... customizers) {
  		Assert.notNull(customizers, "Customizers must not be null");
  		return additionalCustomizers(Arrays.asList(customizers));
  	}
docs: Add additional {@link WebServiceTemplateCustomizer WebServiceTemplateCustomizers}
  that should be applied to the {@link WebServiceTemplate}. Customizers are applied
  in the order that they were added after builder configuration has been applied.
  @param customizers the customizers to add
  @return a new builder instance
  @see #customizers(WebServiceTemplateCustomizer...)