# Hierarchy For Package com.saxonica.expr.sort

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.text.CollationKey (implements java.lang.Comparable<T>)
    - com.saxonica.expr.sort.UcaCollationKeyUsingIcu
  - com.saxonica.expr.sort.UcaCollatorUsingIcu (implements net.sf.saxon.lib.SubstringMatcher)
  - com.saxonica.expr.sort.UcaCollatorUsingIcu.Identical (implements com.saxonica.expr.sort.UcaCollatorUsingIcu.Strength)
  - com.saxonica.expr.sort.UcaCollatorUsingIcu.Primary (implements com.saxonica.expr.sort.UcaCollatorUsingIcu.Strength)
  - com.saxonica.expr.sort.UcaCollatorUsingIcu.Secondary (implements com.saxonica.expr.sort.UcaCollatorUsingIcu.Strength)
  - com.saxonica.expr.sort.UcaCollatorUsingIcu.Tertiary (implements com.saxonica.expr.sort.UcaCollatorUsingIcu.Strength)

## Interface Hierarchy

- com.saxonica.expr.sort.UcaCollatorUsingIcu.Strength