You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: model.rb
    path of file: ./repos/localtower/lib/localtower/generators
    
    the code of the file until where you have to start completion: module Localtower
  module Generators
    class Model
      def in
    
      def run
        attributes_str = parse_attributes.join(" ")
        cmd = "rails generate model #{model_name.camelize} #{attributes_str}"

        ::Localtower::Tools.perform_cmd(cmd)

        insert_non_nullable_values
        insert_default_values
        insert_array
        insert_indexes
      end