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: overview_table.rb
    path of file: ./repos/openproject/app/models/work_package/pdf_export
    
    the code of the file until where you have to start completion: #-- copyright
# OpenProject is an open source project management software.
# Copyrig
    
  def build_overview_sum_row(sums)
    sums_style = styles.overview_table_sums_cell
    sum_row = overview_columns_objects.map do |col|
      content = get_formatted_value(sums[col], col.name)
      pdf.make_cell(content, sums_style)
    end
    sum_row[0] = pdf.make_cell(I18n.t('js.label_sum'), sums_style)
    sum_row
  end