Packages 
Package Description
com.yahoo.data.access  
com.yahoo.data.access.simple  
com.yahoo.io  
com.yahoo.io.reader
The classes in this package are not intended for external use.
com.yahoo.net  
com.yahoo.path  
com.yahoo.protect
Input validators, integrity checkers, error messages and similar classes.
com.yahoo.tensor
Tensor data types
com.yahoo.tensor.evaluation
Tensor data types
com.yahoo.tensor.functions
Tensor function evaluation
com.yahoo.text  
com.yahoo.vespa  
com.yahoo.vespa.objects