edu.wpi.first.wpilibj
Interfaces 
CounterBase
PIDOutput
PIDSource
SpeedController
Classes 
Accelerometer
AccumulatorResult
AnalogChannel
AnalogModule
AnalogTrigger
AnalogTriggerOutput
AnalogTriggerOutput.Type
Compressor
Counter
Counter.Mode
CounterBase.EncodingType
Dashboard
DigitalInput
DigitalModule
DigitalOutput
DigitalSource
DriverStation
DriverStation.Alliance
DriverStationEnhancedIO
DriverStationEnhancedIO.tAccelChannel
DriverStationEnhancedIO.tDigitalConfig
DriverStationEnhancedIO.tPWMPeriodChannels
DriverStationLCD
DriverStationLCD.Line
Encoder
GearTooth
GenericHID
GenericHID.Hand
Gyro
HiTechnicCompass
I2C
InterruptableSensorBase
IterativeRobot
Jaguar
Joystick
Joystick.AxisType
Joystick.ButtonType
Module
PIDController
PWM
PWM.PeriodMultiplier
Relay
Relay.Direction
Relay.Value
Resource
RobotBase
RobotDrive
RobotDrive.MotorType
SensorBase
SerialPort
SerialPort.FlowControl
SerialPort.Parity
SerialPort.StopBits
SerialPort.WriteBufferMode
Servo
SimpleRobot
Solenoid
Timer
Ultrasonic
Ultrasonic.Unit
Utility
Victor
Watchdog
Exceptions 
DriverStationEnhancedIO.EnhancedIOException