class Lutaml::Model::Toml::Mapping

def deep_dup
  self.class.new.tap do |new_mapping|
    new_mapping.instance_variable_set(:@mappings, duplicate_mappings)
  end
end

def initialize
  super(:toml)
end

def validate!(key, to, with, render_nil, render_empty)
  super
  if [true, :as_nil].include?(render_nil) || render_empty == :as_nil
    raise IncorrectMappingArgumentsError, "nil values are not supported in toml format"
  end
end