new

# File activemodel/lib/active_model/attribute_set/builder.rb, line 25
    def initialize(types, values, additional_types, default_attributes, delegate_hash = {})
      @types = types
      @values = values
      @additional_types = additional_types
      @materialized = false
      @delegate_hash = delegate_hash
      @default_attributes = default_attributes
    end