Properties of a Rotation.
Properties:
| Name | Type | Attributes | Description | 
|---|---|---|---|
nextRotationTime | 
      
      google.protobuf.ITimestamp | null | 
            
              <optional> | 
        
        
        
           Rotation nextRotationTime  | 
    
rotationPeriod | 
      
      google.protobuf.IDuration | null | 
            
              <optional> | 
        
        
        
           Rotation rotationPeriod  |