val bytesToRecover = dynamicTableByteCount + delta - maxDynamicTableByteCount
        val entriesEvicted = evictToRecoverBytes(bytesToRecover)

        if (index == -1) { // Adding a value to the dynamic table.
          if (headerCount + 1 > dynamicTable.size) { // Need to grow the dynamic table.
            val doubled = arrayOfNulls<Header>(dynamicTable.size * 2)