Deprecated. Element is reviewed and approved at human review,
confidence will be set to 1.0.
EvalRequested
Deprecated. Request human review for the element identified by
parent.
EvalSkipped
Deprecated. Element is skipped in the validation process.
Remove
Remove an element identified by parent.
Replace
Currently unused. Replace an element identified by parent.
Unspecified
Operation type unspecified. If no operation is specified a provenance
entry is simply used to match against a parent.
Update
Updates any fields within the given provenance scope of the message. It
'overwrites' the fields rather than replacing them. This is
especially relevant when we just want to update a field value of an
entity without also affecting all the child properties.