This class is an internal implementation detail and will change without notice.
Clients that depend on
classes and interfaces can not expect to be compatible with any version
other than the version they were compiled against (even minor version and milestone releases may break binary
compatibility with respect to
Reindex is slightly different to Activate
This is called to set in a TaskProgressSink that can be used to send task progress information to
||a TaskProgressSink that can be used to send task progress information to