code: public WebServiceTemplateBuilder customizers(
  			Collection<? extends WebServiceTemplateCustomizer> customizers) {
  		Assert.notNull(customizers, "Customizers must not be null");
  		return new WebServiceTemplateBuilder(this.detectHttpMessageSender,
  				this.interceptors, this.internalCustomizers,
  				append(Collections.<WebServiceTemplateCustomizer>emptySet(), customizers),
  				this.messageSenders, this.marshaller, this.unmarshaller,
  				this.destinationProvider, this.transformerFactoryClass,
  				this.messageFactory);
  	}
docs: Set {@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. Setting this
  value will replace any previously configured customizers.
  @param customizers the customizers to set
  @return a new builder instance
  @see #additionalCustomizers(Collection)