Lucene.Net.Index.DocumentsWriter.AddDeleteDocID C# (CSharp) Method

		private void  AddDeleteDocID(int docID)
		{
			lock (this)
			{
			    deletesInRAM.docIDs.Add(flushedDocCount + docID);
                deletesInRAM.AddBytesUsed(BYTES_PER_DEL_DOCID);
			}
		}