docs: public UriComponentsBuilder queryParam(String name, Object... values) {
  		Assert.notNull(name, "'name' must not be null");
  		if (!ObjectUtils.isEmpty(values)) {
  			for (Object value : values) {
  				String valueAsString = (value != null ? value.toString() : null);
  				this.queryParams.add(name, valueAsString);
  			}
  		}
  		else {
  			this.queryParams.add(name, null);
  		}
  		resetSchemeSpecificPart();
  		return this;
  	}