long itemAddr = ngx_http_clojure_mem_get_list_item(headersPointer + NGX_HTTP_CLOJURE_HEADERSI_HEADERS_OFFSET, i);
// System.out.println("LazyHeaderMap: i = " + i + ", addr:" + itemAddr + ", total=" + size);
String key = fetchNGXString(itemAddr + NGX_HTTP_CLOJURE_TEL_KEY_OFFSET, DEFAULT_ENCODING).toLowerCase();
String val = fetchNGXString(itemAddr + NGX_HTTP_CLOJURE_TEL_VALUE_OFFSET, DEFAULT_ENCODING);
// System.out.println("LazyHeaderMap: i = " + i + ", key:" + key + ", val:" + val);
return new SimpleEntry(key, val);
}