| Class | Description | 
|---|---|
| Stream | 
 A Stream represents the core data model in Trident, and can be thought of as a “stream” of tuples that are processed as a series of small batches. 
 | 
| TridentState | |
| TridentTopology | 
| Enum | Description | 
|---|---|
| JoinOutFieldsMode | 
 This enum defines how the output fields of JOIN is constructed. 
 | 
| JoinType | 
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