headers_to_add {
  header {
    key: "foo"
    value: "%START_TIME(%0\240&&&&&&&&zzzzzzzzzzzzzamA(24d\240\240\240\240\240\240\240\240Q240\240\240\240\240\020\240^240&&7&&&&&&&&&&\006&val\177\377\376&&aenam\001s %1f,  %85/5_inf %8,,,,,,,,,,,,t_timefo 5#5555#555.5,  %85/5_inf %8,,,,,,,,,,,,t_t  %85555555\2005  %85/5555Fme:\t15227 f-5555_inf 965L5$59f)%"
  }
}
headers_to_remove: "7"
stream_info {
  upstream_metadata {
    filter_metadata {
      key: ""
      value {
      }
    }
  }
}