Validate an untrusted value as a ModelingPlanSpec. Returns a typed value on success or a single flattened, human-readable error string on failure (suitable for an Action's VALIDATION_ERROR message).
value
error
Validate an untrusted value as a ModelingPlanSpec. Returns a typed
valueon success or a single flattened, human-readableerrorstring on failure (suitable for an Action's VALIDATION_ERROR message).