Properties of an AccessDateRange.
Properties:
| Name | Type | Attributes | Description | 
|---|---|---|---|
startDate | 
      
      string | null | 
            
              <optional> | 
        
        
        
           AccessDateRange startDate  | 
    
endDate | 
      
      string | null | 
            
              <optional> | 
        
        
        
           AccessDateRange endDate  |