A container class for direction-related string constants, e.g. Unicode formatting characters.

abstract class Format {
 /**
  * "left" string constant.
  */
 static final String LEFT = "left";

 /**
  * Unicode "Left-To-Right Embedding" (LRE) character.
  */
 static final int LRE = int.parse('\u202A');

 /**
  * Unicode "Left-To-Right Mark" (LRM) character.
  */
 static final int LRM = int.parse('\u200E');

 /**
  * String representation of LRM.
  */
 static final String LRM_STRING = new String.fromCharCodes([LRM]);

 /**
  * Unicode "Pop Directional Formatting" (PDF) character.
  */
 static final int PDF = int.parse('\u202C');

 /**
  * "right" string constant.
  */
 static final String RIGHT = "right";

 /**
  * Unicode "Right-To-Left Embedding" (RLE) character.
  */
 static final int RLE = int.parse('\u202B');

 /**
  * Unicode "Right-To-Left Mark" (RLM) character.
  */
 static final int RLM = int.parse('\u200F');

 /**
  * String representation of RLM.
  */
 static final String RLM_STRING = new String.fromCharCodes([RLM]);
}