ControlDependency - the collection of control dependencies which have an influence on whether the vertex is executed.
OptionalconstantOptional ReadonlyenvironmentDoes not require an environment to be attached. If we promote the use to a function call, we attach the environment later.
The id of the node (the id assigned by the ParentInformation decoration).
OptionallinkDescribes the collection of AST vertices that contributed to this vertex.
ReadonlytagUsed to identify and separate different types of vertices.
Arguments required to construct a vertex which represents the usage of a variable in the DataflowGraph|dataflow graph.