events { downstream_send_event { h2_frames { settings { flags: NONE } } h2_frames { settings { flags: ACK } } h2_frames { request { stream_index: 1 host: "host" path: "/path/to/long/url" } } } } events { upstream_send_event { h2_frames { settings { flags: NONE } } h2_frames { settings { flags: ACK } } } } events { downstream_send_event { h2_frames { metadata { stream_index: 1 metadata { metadata { key: "connections" value: "15" } metadata { key: "Timeout Seconds" value: "10" } } } } } }