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: deduction.rb
    path of file: ./repos/xero-ruby/lib/xero-ruby/models/payroll_uk
    
    the code of the file until where you have to start completion: =begin
#Xero Payroll UK

#This is the Xero Payroll API for orgs in the UK region.

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

=end

require 'time'
require 'date'

module XeroRuby::PayrollUk
  require 'bigdecimal'

  class Deduction
    # The Xero identifier for Deduction
    attr_accessor :deduction_id
    
    # Name of the deduction
    attr_accessor :deduction_name
    
    
    def valid?
      return false if @deduction_name.nil?
      deduction_category_validator = EnumAttributeValidator.new('String', ["CapitalContributions", "ChildCareVoucher", "MakingGood", "PostgraduateLoanDeductions", "PrivateUsePayments", "SalarySacrifice", "StakeholderPension", "StakeholderPensionPostTax", "StudentLoanDeductions", "UkOther"])
      return false unless deduction_category_validator.valid?(@deduction_category)
      return false if @liability_account_id.nil?
      calculation_type_validator = EnumAttributeValidator.new('String', ["FixedAmount", "PercentageOfGross"])
      return false unless calculation_type_validator.valid?(@calculation_type)
      true
    end