public boolean isAlreadyProcessed(Integer index) {
    return index.equals(urlIndex)
        || index.equals(bodyIndex)
        || index.equals(headerMapIndex)
        || index.equals(queryMapIndex)
        || indexToName.containsKey(index)
        || indexToExpanderClass.containsKey(index)
        || indexToEncoded.containsKey(index)
        || (indexToExpander != null && indexToExpander.containsKey(index))
        || parameterToIgnore.get(index);
  }
@param index
@return true if the parameter {@code index} was already consumed by a any {@link
    MethodMetadata} holder
core/src/main/java/feign/MethodMetadata.java