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: supplemental_claim_services.rb
    path of file: ./repos/vets-api/lib/decision_review_v1/appeals
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

require 'decision_review_v1/utilities/form_4142_processor'
require 'decision_review_v1/utilities/helpers'
require 'decision_review_v1/utilities/constants'

module DecisionReviewV1
  module Appeals
    module SupplementalClaimServices
      include DecisionReviewV1::Appeals::Helpers

      ##
      # Returns all of the data associated with a specifi
    
      def get_supplemental_claim_contestable_issues(user:, benefit_type:)
        with_monitoring_and_error_handling do
          path = "contestable_issues/supplemental_claims?benefit_type=#{benefit_type}"
          headers = get_contestable_issues_headers(user)
          response = perform :get, path, nil, headers
          raise_schema_error_unless_200_status response.status
          validate_against_schema(
            json: response.body,
            schema: GET_CONTESTABLE_ISSUES_RESPONSE_SCHEMA,
            append_to_error_class: ' (SC_V1)'
          )
          response
        end
      end