// evict 9, 1, 2, 10
    getAll(cache, asList(15));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(0, 6, 7, 8, 15);

    // fill empty space
    getAll(cache, asList(9));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(0, 6, 7, 8, 15, 9);

    // evict 6
    getAll(cache, asList(1));

    if (elements instanceof ImmutableCollection) {
      /*
       * TODO: When given an ImmutableList that's a sublist, copy the referenced
       * portion of the array into a new array to save space?
       */
      @SuppressWarnings("unchecked") // all supported methods are covariant
      ImmutableCollection<E> list = (ImmutableCollection<E>) elements;
      return list.asList();
    }

        long expectedCapacity = alloc * sectPerAlloc * bytesPerSect;
        assertEquals(expectedCapacity, smbInfoAllocation.getCapacity());

        // Verify free space calculation: free * sectPerAlloc * bytesPerSect
        long expectedFree = free * sectPerAlloc * bytesPerSect;
        assertEquals(expectedFree, smbInfoAllocation.getFree());
    }

    @Test

          override fun encode(
            writer: DerWriter,
            value: String,
          ) = writer.writeUtf8(value)
        },
    )

  /**
   * Permits alphanumerics, spaces, and these:
   *
   * ```
   *   ' () + , - . / : = ?
   * ```
   *
   * TODO(jwilson): constrain to printable string characters.
   */
  val PRINTABLE_STRING =
    BasicDerAdapter(

    }

    /**
     * Escapes special characters in a value string for safe logging.
     *
     * @param action the string value to escape
     * @return the escaped string with tabs replaced by spaces
     */
    protected String escapeValue(final String action) {
        return action.replace('\t', ' ');
    }

    /**
     * Outputs a log message using the statistics logger.
     *

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

## About JWT { #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
```

                final WebConfig webConfig = new WebConfig();
                webConfig.setId(id);
                webConfig.setConfigParameter("config.pipeline= "); // Blank space
                return OptionalEntity.of(webConfig);
            }

            @Override
            public OptionalEntity<WebConfig> getWebConfigByName(String name) {
                return OptionalEntity.empty();

        }

        // Perform maintenance tasks
        performMaintenanceTasks();
    }

    /**
     * Remove idle connections to free up pool space
     */
    private void removeIdleConnections() {
        long now = System.currentTimeMillis();
        List<SmbTransportImpl> idle = new ArrayList<>();

  // Update the vector with information from `input_tensors` if provided.
  if (input_tensors != nullptr) {
    // Note that we take the address of the elements in `all_input_tensors`
    // below. Allocate enough space so that no reallocation happens, which will
    // make the pointers invalid.
    all_input_tensors.reserve(num_inputs);
    for (int i = 0; i < num_inputs; ++i) {
      if (input_tensors[i] == nullptr) continue;

   * uniform, the actual concurrency observed may vary. Ideally, you should choose a value to
   * accommodate as many threads as will ever concurrently modify the table. Using a significantly
   * higher value than you need can waste space and time, and a significantly lower value can lead
   * to thread contention. But overestimates and underestimates within an order of magnitude do not