class ElasticAPM::Context::Response

def headers=(headers)
  @headers = headers&.each_with_object({}) do |(k, v), hsh|
    hsh[k] = v.to_s
  end
end

def initialize(
  status_code,
  headers: {},
  headers_sent: true,
  finished: true
)
  @status_code = status_code
  @headers_sent = headers_sent
  @finished = finished
  self.headers = headers
end