in the absence of any other constructors, the compiler will automatically
generate a public no-arg constructor
Change-Id: I70eca507cd8e16e33580b3398d41d70690bc2909
Also fix some compile errors. I suspect this is dead code, but on the chance
that it might be useful.....
Change-Id: I0d56df88420ce484b72df626db4fadcebe04d777