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Identifies the justification options for a stacked label.
| Constant | Value | Description | 
|---|---|---|
| esriMaplexChooseBestJustification | 0 | Best Justification. | 
| esriMaplexConstrainJustificationLeftOrRight | 1 | Left or Right Justification. | 
| esriMaplexConstrainJustificationLeft | 2 | Left Justification. | 
| esriMaplexConstrainJustificationRight | 3 | Right Justification. | 
| esriMaplexConstrainJustificationCenter | 4 | Center Justification. |