By default, tags which share the same unique key name, property are de-duped. To allow duplicates
to be made you can provide a unique key for each entry.
OptionaltagDuplicateStrategy
tagDuplicateStrategy?:"replace"|"merge"
The strategy to use when a duplicate tag is encountered.
replace - Replace the existing tag with the new tag
By default, tags which share the same unique key
name,propertyare de-duped. To allow duplicates to be made you can provide a unique key for each entry.