A single match for the sifting pattern that was run, if there was one, else null.
A sifting match takes the form of a mapping from role names to arrays of entity IDs, where the role
names correspond to the action roles defined in the sifting pattern's actions field, and the entity
IDs are the actions that were cast in those roles in the course of constructing the sifting match.
A single match for the sifting pattern that was run, if there was one, else
null.A sifting match takes the form of a mapping from role names to arrays of entity IDs, where the role names correspond to the action roles defined in the sifting pattern's
actionsfield, and the entity IDs are the actions that were cast in those roles in the course of constructing the sifting match.