in hpack/src/main/java/com/twitter/hpack/DynamicTable.java [107:118]
public HeaderField remove() {
HeaderField removed = headerFields[tail];
if (removed == null) {
return null;
}
size -= removed.size();
headerFields[tail++] = null;
if (tail == headerFields.length) {
tail = 0;
}
return removed;
}