partial interface CSSStyleDeclaration {
  [CEReactions] attribute [TreatNullAs=EmptyString] CSSOMString direction;
  [CEReactions] attribute [TreatNullAs=EmptyString] CSSOMString unicodeBidi;
  [CEReactions] attribute [TreatNullAs=EmptyString] CSSOMString writingMode;
  [CEReactions] attribute [TreatNullAs=EmptyString] CSSOMString textOrientation;
  [CEReactions] attribute [TreatNullAs=EmptyString] CSSOMString glyphOrientationVertical;
  [CEReactions] attribute [TreatNullAs=EmptyString] CSSOMString textCombineUpright;
};
