def register_curation_concern(*curation_concern_types)
      Array.wrap(curation_concern_types).flatten.compact.each do |cc_type|
        @registered_concerns << cc_type unless @registered_concerns.include?(cc_type)
      end
    end
def register_curation_concern(*curation_concern_types)
      Array.wrap(curation_concern_types).flatten.compact.each do |cc_type|
        @registered_concerns << cc_type unless @registered_concerns.include?(cc_type)
      end
    end
Registers the given curation concern model in the configuration
 @param [Array<Symbol>,Symbol] curation_concern_types