| Interface | Description | 
|---|---|
| Aggregate | Represents the aggregate transformation. | 
| AggregateExpression | Represents an aggregate expression. | 
| BottomTop | Represents a transformation with one of the pre-defined methods
  bottomcount,bottompercent,bottomsum,topcount,toppercent,topsum. | 
| Compute | Represents the compute transformation. | 
| ComputeExpression | Represents a compute expression. | 
| Concat | Represents the concat transformation. | 
| CustomFunction | Represents a transformation with a custom function. | 
| Expand | Represents the expand transformation. | 
| Filter | Represents the filter transformation. | 
| GroupBy | Represents the grouping transformation. | 
| GroupByItem | Represents a grouping property. | 
| Identity | Represents the identity transformation. | 
| OrderBy | Represents the orderby transformation. | 
| Search | Represents the search transformation. | 
| Skip | Represents the skip transformation. | 
| Top | Represents the top transformation. | 
| Enum | Description | 
|---|---|
| AggregateExpression.StandardMethod | Standard aggregation method. | 
| BottomTop.Method | Pre-defined method for partial aggregration. | 
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