typing

Type variable used to represent the state in a graph.

Type variable used to represent graph run scoped context.

Defaults to None.

Type variable used to represent the input to a StateGraph.

Defaults to StateT.

Type variable used to represent the output of a StateGraph.

Defaults to StateT.

Type variable used to represent the input to a node.

Type alias for state-like types.

It can either be a TypedDict, dataclass, or Pydantic BaseModel. Note: we cannot use either TypedDict or dataclass directly due to limitations in type checking.