Packages 
Package Description
edu.wpi.cscore  
edu.wpi.cscore.raw  
edu.wpi.first.cameraserver  
edu.wpi.first.hal  
edu.wpi.first.hal.can  
edu.wpi.first.hal.communication  
edu.wpi.first.hal.sim  
edu.wpi.first.hal.sim.mockdata  
edu.wpi.first.hal.util  
edu.wpi.first.networktables  
edu.wpi.first.vision
Classes in the edu.wpi.first.vision package are designed to simplify using OpenCV vision processing code from a robot program.
edu.wpi.first.wpilibj  
edu.wpi.first.wpilibj.buttons  
edu.wpi.first.wpilibj.command  
edu.wpi.first.wpilibj.controller  
edu.wpi.first.wpilibj.drive  
edu.wpi.first.wpilibj.filters  
edu.wpi.first.wpilibj.geometry  
edu.wpi.first.wpilibj.interfaces  
edu.wpi.first.wpilibj.kinematics  
edu.wpi.first.wpilibj.livewindow  
edu.wpi.first.wpilibj.networktables  
edu.wpi.first.wpilibj.shuffleboard  
edu.wpi.first.wpilibj.simulation  
edu.wpi.first.wpilibj.smartdashboard  
edu.wpi.first.wpilibj.spline  
edu.wpi.first.wpilibj.tables  
edu.wpi.first.wpilibj.trajectory  
edu.wpi.first.wpilibj.trajectory.constraint  
edu.wpi.first.wpilibj.util  
edu.wpi.first.wpilibj.vision
Classes in the edu.wpi.first.wpilibj.vision package are designed to simplify using OpenCV vision processing code from a robot program.
edu.wpi.first.wpilibj2.command  
edu.wpi.first.wpilibj2.command.button  
edu.wpi.first.wpiutil  
edu.wpi.first.wpiutil.math  
edu.wpi.first.wpiutil.math.numbers  
edu.wpi.first.wpiutil.net  
org.opencv.calib3d  
org.opencv.core  
org.opencv.features2d  
org.opencv.highgui  
org.opencv.imgcodecs  
org.opencv.imgproc  
org.opencv.ml  
org.opencv.objdetect  
org.opencv.osgi  
org.opencv.photo  
org.opencv.utils  
org.opencv.video  
org.opencv.videoio