The statuses that an element can have with respect to a given phase. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2012 
Syntax
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Members
| Member name | Description | 
|---|---|
| None | Phase status is undefined (e.g., for annotations) | 
| Past | Created and demolished before the given phase | 
| Existing | Created in a previous phase, existing through the end of the given phase | 
| Demolished | Created before the given phase, to be demolished on the given phase | 
| New | Created on this phase (and not demolished) | 
| Temporary | Created and demolished during this phase | 
| Future | Created after this phase |