convert_value

# File activesupport/lib/active_support/core_ext/hash/indifferent_access.rb, line 113
    def convert_value(value)
      case value
      when Hash
        value.with_indifferent_access
      when Array
        value.collect { |e| e.is_a?(Hash) ? e.with_indifferent_access : e }
      else
        value
      end
    end