# File lib/mongo_mapper/plugins/associations/base.rb, line 11
        def initialize(name, options={}, &extension)
          @name, @options, @query_options, @original_options = name.to_sym, {}, {}, options
          options.symbolize_keys!
          options[:extend] = modularized_extensions(extension, options[:extend])
          separate_options_and_conditions
        end