Method header

core/src/main/java/feign/RequestTemplate.java:724–730

@see RequestTemplate#header(String, Iterable)

(String name, String... values)

   * @see RequestTemplate#header(String, Iterable)
   */
  public RequestTemplate header(String name, String... values) {
    if (values == null) {
      return appendHeader(name, Collections.emptyList());
    }

    return header(name, Arrays.asList(values));
  }

  /**
   * Specify a Header, with the specified values. Values can be literals or template expressions.