@Nullable
    public String header(@NonNull String name) {
        List<String> headers = headers(name);
        return headers != null ? headers.get(headers.size() - 1) : null;
    }
Get the last value corresponding to the specified name, or null.

@param name The name of a header.
@return The value of the specified header.
netbare-injector/src/main/java/com/github/megatronking/netbare/http/HttpHeaderPart.java