class GdsApi::GovukHeaders

def clear_headers
  Thread.current[:headers] = {}
end

def header_data
  Thread.current[:headers] ||= {}
end

def headers
  header_data.select {|k, v| !(v.nil? || v.empty?) }
end

def set_header(header_name, value)
  header_data[header_name] = value
end