BaseUnit
enum BaseUnit
  The BaseUnit enumeration defines the well known base unit used to establish a measure unit. () Enumerator:
  BaseUnit_None | Represents an unspecified base unit, it can be used to create an unknown or unspecified unit of measure.
  BaseUnit_Meters | The base unit for linear, area, and volume measurement units represented by meters, meters squared, or meters cubed respectively.
  BaseUnit_Radians | The base unit for the angular measurement units represented by radians.