class Lutaml::Model::InvalidValueError

def initialize(attr_name, value, allowed_values)
  @attr_name = attr_name
  @value = value
  @allowed_values = allowed_values
  super()
end

def to_s
  "#{@attr_name} is `#{@value}`, must be one of the " \
    "following [#{@allowed_values.join(', ')}]"
end