# Package com.fasterxml.aalto.impl

- Class Summary
  Class | Description
  --- | ---
  CommonConfig | Base class for reader and writer-side configuration/context objects
  ErrorConsts | This class contains various String constants used for error reporting.
  LocationImpl | Basic implementation of `XMLStreamLocation2`, used by stream readers and writers.

- Exception Summary
  Exception | Description
  --- | ---
  IoStreamException | Simple wrapper for `IOException`s; needed when StAX does not expose underlying I/O exceptions via its methods.
  StreamExceptionBase | Base class for all `XMLStreamException` instances that we use.

Copyright © 2012-2015 FasterXML. All Rights Reserved.