Checks if a value is a Projection.
Constraint keys are not admitted among the bindings: they belong to the entry hosting the projection, so a node carrying both is validated through isQuery instead.
The value to check
True if value is a non-empty plain object whose keys are all bindings with unique result names and whose entries are all valid cells; false otherwise
value
Checks if a value is a Projection.
Constraint keys are not admitted among the bindings: they belong to the entry hosting the projection, so a node carrying both is validated through isQuery instead.