# Package com.icl.saxon.trace

- Interface Summary
  Interface | Description
  --- | ---
  TraceListener | To get trace events, an application can add instances of this interface to a StyleSheetInstance

- Class Summary
  Class | Description
  --- | ---
  SaxonEventMulticaster | A class which implements efficient and thread-safe multi-cast event dispatching for the TraceListener evants.
  SimpleTraceListener | A Simple trace listener that writes messages to System.err