We are going to start from where we left in the previous chapter and increment it.

## About JWT

JWT means "JSON Web Tokens".

It's a standard to codify a JSON object in a long dense string without spaces. It looks like this:

```
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
```

  EXPECT_NE(TF_OK, TF_GetCode(status)) << TF_Message(status);

  // Even after the prevoiusly failed cluster update, another update and op
  // execution should work fine as long as the provided server_def is valid.
  TFE_ContextUpdateServerDef(ctx, 0, serialized.data(), serialized.size(),
                             status);
  EXPECT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);

      this.elements = elements;
    }

    @SuppressWarnings("unchecked")
    Object readResolve() {
      return new Builder<E>(comparator).add((E[]) elements).build();
    }

    private static final long serialVersionUID = 0;
  }

  @J2ktIncompatible // serialization
  private void readObject(ObjectInputStream unused) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

    }

    private static final long serialVersionUID = 0;
  }

  /*
   * Now we have monster tests that create hundreds of Orderings using different
   * combinations of methods, then checks compare(), binarySearch() and so
   * forth on each one.
   */

  // should periodically try increasing this, but it makes the test run long
  private static final int RECURSE_DEPTH = 2;

    }

    private static final long serialVersionUID = 0;
  }

  /*
   * Now we have monster tests that create hundreds of Orderings using different
   * combinations of methods, then checks compare(), binarySearch() and so
   * forth on each one.
   */

  // should periodically try increasing this, but it makes the test run long
  private static final int RECURSE_DEPTH = 2;

	m, ok := b.tryGrowByReslice(len(s))
	if !ok {
		m = b.grow(len(s))
	}
	return copy(b.buf[m:], s), nil
}

// MinRead is the minimum slice size passed to a [Buffer.Read] call by
// [Buffer.ReadFrom]. As long as the [Buffer] has at least MinRead bytes beyond
// what is required to hold the contents of r, [Buffer.ReadFrom] will not grow the
// underlying buffer.
const MinRead = 512

        context.get(), components, device_name, status.get());
    ASSERT_TRUE(TF_GetCode(status.get()) == TF_INVALID_ARGUMENT)
        << TF_Message(status.get());
  }

  {
    // Try to extract the wrong number of components from a parallel tensor
    std::array<TFE_TensorHandle*, 1> correct_components{value_one.get()};
    TensorHandlePtr combined_value = CreatePerDeviceValues(

            } else {
                fail();
            }
        }
    }

    static class TestMainSearcher extends RankFusionSearcher {

        private long allRecordCount;

        TestMainSearcher(int allRecordCount) {
            this.allRecordCount = allRecordCount;
        }

        @Override

    }
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  public static class SampleDoubles extends SampleElements<Double> {
    public SampleDoubles() {
      super(-0.0, Long.MAX_VALUE * 3.0, Double.MAX_VALUE, Double.POSITIVE_INFINITY, Double.NaN);
    }
  }

			const timeOrigin = Date.now() - performance.now();
			this.importObject = {
				_gotest: {
					add: (a, b) => a + b,
					callExport: testCallExport,
				},
				gojs: {
					// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
					// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported