OperationType

If a processor or agent does an explicit operation on existing elements.

Enums
OPERATION_TYPE_UNSPECIFIED	Operation type unspecified. If no operation is specified a provenance entry is simply used to match against a parent.
ADD	Add an element.
REMOVE	Remove an element identified by parent.
REPLACE	Replace an element identified by parent.
EVAL_REQUESTED	Request human review for the element identified by parent.
EVAL_APPROVED	Element is reviewed and approved at human review, confidence will be set to 1.0.
EVAL_SKIPPED	Element is skipped in the validation process.