Configuration for the de-identification of the content item.
Items specified here will override the template referenced by
the deidentify_template_name argument.
The item to de-identify. Will be treated as text.
Template to use. Any configuration directly specified in
deidentify_config will override those set in the template.
Singular fields that are set in this request will replace
their corresponding fields in the template. Repeated fields
are appended. Singular sub-messages and groups are recursively
merged.