initial docs for Preconditions
initial docs for Preconditions

rashidaligee/kylo,rashidaligee/kylo,claudiu-stanciu/kylo,peter-gergely-horvath/kylo,rashidaligee/kylo,Teradata/kylo,peter-gergely-horvath/kylo,rashidaligee/kylo,claudiu-stanciu/kylo,Teradata/kylo,peter-gergely-horvath/kylo,Teradata/kylo,peter-gergely-horvath/kylo,Teradata/kylo,claudiu-stanciu/kylo,claudiu-stanciu/kylo,Teradata/kylo,claudiu-stanciu/kylo