google.protobuf.field_mask_pb2.FieldMask
Names of fields whose values to overwrite on a tag template.
Currently, only display_name and
is_publicly_readable can be overwritten.
If this parameter is absent or empty, all modifiable fields
are overwritten. If such fields are non-required and omitted
in the request body, their values are emptied.
Note: Updating the is_publicly_readable field may
require up to 12 hours to take effect in search results.
Additionally, it also requires the
tagTemplates.getIamPolicy and
tagTemplates.setIamPolicy permissions.