# Package org.apache.cassandra.index.sasi.conf.view

- Interface Summary
  Interface | Description
  --- | ---
  TermTree |

- Class Summary
  Class | Description
  --- | ---
  PrefixTermTree | This class is an extension over RangeTermTree for string terms, it is required because interval tree can't handle matching if search is on the prefix of min/max of the range, so for ascii/utf8 fields we build an additional prefix trie (including both min/max terms of the index) and do union of the results of the prefix tree search and results from the interval tree lookup.
  PrefixTermTree.Builder |
  RangeTermTree |
  RangeTermTree.Term | This is required since IntervalTree doesn't support custom Comparator implementations and relied on items to be comparable which "raw" terms are not.
  TermTree.Builder |
  View |

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