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: repeating_invoice.rb
    path of file: ./repos/xero-ruby/lib/xero-ruby/models/accounting
    
    the code of the file until where you have to start completion: =begin
#Xero Accounting API

#No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)

Contact: api@xero.com
Generated by: https://openapi-generator.tech
OpenAPI Generator version: 4.3.1

=end

require 'time'
require 'date'

module XeroRuby::Accounting
  require 'bigdecimal'

  class RepeatingInvoice
    # See Invoice Types
    attr_accessor :type
    ACCPAY ||= "ACCPAY".freeze
    ACCREC ||= "ACCREC".freeze
    

    attr_accessor :contact
    

    attr_accessor :schedule
    
    # See L
    
    def self.openapi_types
      {
        :'type' => :'String',
        :'contact' => :'Contact',
        :'schedule' => :'Schedule',
        :'line_items' => :'Array<LineItem>',
        :'line_amount_types' => :'LineAmountTypes',
        :'reference' => :'String',
        :'branding_theme_id' => :'String',
        :'currency_code' => :'CurrencyCode',
        :'status' => :'String',
        :'sub_total' => :'BigDecimal',
        :'total_tax' => :'BigDecimal',
        :'total' => :'BigDecimal',
        :'repeating_invoice_id' => :'String',
        :'id' => :'String',
        :'has_attachments' => :'Boolean',
        :'attachments' => :'Array<Attachment>',
        :'approved_for_sending' => :'Boolean',
        :'send_copy' => :'Boolean',
        :'mark_as_sent' => :'Boolean',
        :'include_pdf' => :'Boolean'
      }
    end