*/
  void writeTo(ByteBuffer buffer) {
    checkNotNull(buffer);
    checkArgument(
        buffer.remaining() >= BYTES,
        "Expected at least Stats.BYTES = %s remaining , got %s",
        BYTES,
        buffer.remaining());
    buffer
        .putLong(count)
        .putDouble(mean)
        .putDouble(sumOfSquaresOfDeltas)
        .putDouble(min)
        .putDouble(max);
  }

			// not collecting per-cpu stats, so there will be only one element
			if len(cm) == 1 {
				m.Aggregated.CPU.TimesStat = &cm[0]
			} else {
				m.Errors = append(m.Errors, fmt.Sprintf("%s: Expected one CPU stat, got %d", byHostName, len(cm)))
			}
		}
		cpuCount, err := c.Counts(true)
		if err != nil {
			m.Errors = append(m.Errors, fmt.Sprintf("%s: %v (cpuCount)", byHostName, err.Error()))
		} else {

    ASSERT_EQ(nodes.size(), fdef.node_def_size())
        << "Got unexpected number of nodes. Expected: ["
        << absl::StrJoin(nodes, ", ")
        << "] Actual nodes in fdef: " << fdef.DebugString();
    for (const NodeDef& node_def : fdef.node_def()) {
      ASSERT_TRUE(nodes.find(node_def.name()) != nodes.end())
          << "Got unexpected node: " << node_def.name()
          << " in fdef: " << fdef.DebugString();

}

func TestIsHTTPHeaderSizeTooLarge(t *testing.T) {
	for i, test := range isHTTPHeaderSizeTooLargeTests {
		if res := isHTTPHeaderSizeTooLarge(test.header); res != test.shouldFail {
			t.Errorf("Test %d: Expected %v got %v", i, res, test.shouldFail)
		}
	}
}

var containsReservedMetadataTests = []struct {
	header     http.Header
	shouldFail bool
}{
	{
		header: http.Header{"X-Minio-Key": []string{"value"}},

      }
      assertEquivalent(expectedResult, collector.finisher().apply(finalAccum));
    }
  }

  private void assertEquivalent(R expected, R actual) {
    assertTrue(
        "Expected " + expected + " got " + actual + " modulo equivalence " + equivalence,
        equivalence.test(expected, actual));
  }

	}
	fmt.Fprintf(os.Stderr, "%s:%d: %s", in.File(), in.Line(), fmt.Sprintln(args...))
	os.Exit(1)
}

// expectText is like Error but adds "got XXX" where XXX is a quoted representation of the most recent token.
func (in *Input) expectText(args ...interface{}) {
	in.Error(append(args, "; got", strconv.Quote(in.Stack.Text()))...)
}

// enabled reports whether the input is enabled by an ifdef, or is at the top level.

			wantErr := testCase.wantAPICode
			if gotErr != wantErr {
				t.Errorf("test %d: want api error %q, got %q", i, wantErr, gotErr)
			}
			if testCase.wantHeaders != nil {
				for k, v := range testCase.wantHeaders {
					got := rec.Header().Get(k)
					if got != v {
						t.Errorf("Want header %s = %s, got %#v", k, v, rec.Header())
					}
				}
			}

		}

/// tip

The `shutdown` would happen when you are **stopping** the application.

Maybe you need to start a new version, or you just got tired of running it. 🤷

///

### Lifespan function

The first thing to notice, is that we are defining an async function with `yield`. This is very similar to Dependencies with `yield`.

        }

        container.getLoggerManager().setThresholds(toPlexusLoggingLevel(context.loggerLevel));
        customizeContainer(context, container);

        // refresh logger in case container got customized by spy
        org.slf4j.Logger l = context.loggerFactory.getLogger(this.getClass().getName());
        context.logger = (level, message, error) -> l.atLevel(org.slf4j.event.Level.valueOf(level.name()))

          "shutdownWhenStartupFinishes can only be set if state is STARTING. Got %s instead.",
          internalState);
      checkArgument(
          (failure != null) == (internalState == FAILED),
          "A failure cause should be set if and only if the state is failed.  Got %s and %s "
              + "instead.",
          internalState,
          failure);