code: protected void writeQueryPrologue(final BsonOutput bsonOutput) {
          bsonOutput.writeInt32(getCursorFlag());
          bsonOutput.writeCString(getCollectionName());
          bsonOutput.writeInt32(skip);
          bsonOutput.writeInt32(numberToReturn);
      }
docs: Write the query prologue to the given BSON output.
  
  @param bsonOutput the BSON output