metrics size: 149B
res1: { resource = None;
        scope_metrics =
          [{ scope = None;
             metrics =
               [{ name = "sum.foo";
                  description = "" (* absent *);
                  unit_ = "" (* absent *);
                  data =
                    Some(
                      Sum(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_int(10));
                               exemplars = [];
                               flags = 0 (* absent *);
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_int(20));
                               exemplars = [];
                               flags = 0 (* absent *);
                             }
                             ];
                          aggregation_temporality =
                            Aggregation_temporality_cumulative;
                          is_monotonic = false (* absent *);
                        }));
                  metadata = [];
                };
                { name = "gauge.bar";
                  description = "" (* absent *);
                  unit_ = "" (* absent *);
                  data =
                    Some(
                      Gauge(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_double(10.));
                               exemplars = [];
                               flags = 0 (* absent *);
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_double(20.));
                               exemplars = [];
                               flags = 0 (* absent *);
                             }
                             ];
                        }));
                  metadata = [];
                }
                ];
             schema_url = "" (* absent *);
           }
           ];
        schema_url = "" (* absent *);
      }
res1: { resource = None;
        scope_metrics =
          [{ scope = None;
             metrics =
               [{ name = "sum.foo";
                  description = "" (* absent *);
                  unit_ = "" (* absent *);
                  data =
                    Some(
                      Sum(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_int(10));
                               exemplars = [];
                               flags = 0 (* absent *);
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_int(20));
                               exemplars = [];
                               flags = 0 (* absent *);
                             }
                             ];
                          aggregation_temporality =
                            Aggregation_temporality_cumulative;
                          is_monotonic = false (* absent *);
                        }));
                  metadata = [];
                };
                { name = "gauge.bar";
                  description = "" (* absent *);
                  unit_ = "" (* absent *);
                  data =
                    Some(
                      Gauge(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_double(10.));
                               exemplars = [];
                               flags = 0 (* absent *);
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_double(20.));
                               exemplars = [];
                               flags = 0 (* absent *);
                             }
                             ];
                        }));
                  metadata = [];
                }
                ];
             schema_url = "" (* absent *);
           }
           ];
        schema_url = "" (* absent *);
      }
trace size: 371B
trace1: { resource = None;
          scope_spans =
            [{ scope = None;
               spans =
                 [{ trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=0> (* absent *);
                    flags = 0 (* absent *);
                    name = "sp1";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 10;
                    end_time_unix_nano = 15;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp2";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 20;
                    end_time_unix_nano = 25;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp3";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 30;
                    end_time_unix_nano = 35;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp4";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 40;
                    end_time_unix_nano = 45;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp5";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 50;
                    end_time_unix_nano = 55;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp6";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 60;
                    end_time_unix_nano = 65;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  }
                  ];
               schema_url = "" (* absent *);
             }
             ];
          schema_url = "" (* absent *);
        }
trace2: { resource = None;
          scope_spans =
            [{ scope = None;
               spans =
                 [{ trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=0> (* absent *);
                    flags = 0 (* absent *);
                    name = "sp1";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 10;
                    end_time_unix_nano = 15;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp2";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 20;
                    end_time_unix_nano = 25;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp3";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 30;
                    end_time_unix_nano = 35;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp4";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 40;
                    end_time_unix_nano = 45;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp5";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 50;
                    end_time_unix_nano = 55;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  };
                  { trace_id = <bytes len=16>;
                    span_id = <bytes len=8>;
                    trace_state = "" (* absent *);
                    parent_span_id = <bytes len=8>;
                    flags = 0 (* absent *);
                    name = "sp6";
                    kind = Span_kind_unspecified (* absent *);
                    start_time_unix_nano = 60;
                    end_time_unix_nano = 65;
                    attributes = [];
                    dropped_attributes_count = 0 (* absent *);
                    events = [];
                    dropped_events_count = 0 (* absent *);
                    links = [];
                    dropped_links_count = 0 (* absent *);
                    status = None;
                  }
                  ];
               schema_url = "" (* absent *);
             }
             ];
          schema_url = "" (* absent *);
        }