BplusDotNet.xBplusTreeBytes.FirstKey C# (CSharp) Метод

        public string FirstKey()
        {
            xBucket bucket;
            string prefix = this.tree.FirstKey();
            if (prefix==null)
            {
                return null;
            }
            string dummyprefix;
            bool found = FindBucketForPrefix(prefix, out bucket, out dummyprefix, true);
            if (!found)
            {
                throw new BplusTreeException("internal tree gave bad first key");
            }
            return bucket.FirstKey();
        }