- direction/left-to-rightconstant
- direction/right-to-leftconstant
- direction/european-numberconstant
- direction/european-number-separatorconstant
- direction/european-number-terminatorconstant
- direction/arabic-numberconstant
- direction/common-number-separatorconstant
- direction/block-separatorconstant
- direction/segment-separatorconstant
- direction/white-space-neutralconstant
- direction/other-neutralconstant
- direction/left-to-right-embeddingconstant
- direction/left-to-right-overrideconstant
- direction/right-to-left-arabicconstant
- direction/right-to-left-embeddingconstant
- direction/right-to-left-overrideconstant
- direction/pop-directional-formatconstant
- direction/dir-non-spacing-markconstant
- direction/boundary-neutralconstant
- direction/first-strong-isolateconstant
- direction/left-to-right-isolateconstant
- direction/right-to-left-isolateconstant
- direction/pop-directional-isolateconstant
- direction/char-direction-countconstant