Method isBlank

core/src/main/java/feign/Util.java:313–315

If the provided String is null or empty. @param value to evaluate. @return true if the value is null or empty.

(String value)

   * @return true if the value is null or empty.
   */
  public static boolean isBlank(String value) {
    return value == null || value.isEmpty();
  }

  /**
   * Copy entire map of string collection.