class documentation
        
        class UsageHistoryFragmentUsageMeasurements(BaseModel):
Undocumented
| Class Variable | date | 
    Undocumented | 
| Class Variable | is | 
    Undocumented | 
| Class Variable | value | 
    Undocumented | 
              Inherited from BaseModel:
            
| Class Variable | model | 
    Undocumented |