// URLClassLoader without capturing this reference, and it probably would not be desirable for
  // security reasons anyway. Therefore, the FRQ.close() method provides a way to stop the thread
  // explicitly. This test checks that calling that method does allow an app's ClassLoader to be
  // gc'd even if there is a still a FinalizableReferenceQueue in a static field. (Setting the field

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      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
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    /*
     * The default RateLimiter configuration can save the unused permits of up to one second. This
     * is to avoid unnecessary stalls in situations like this: A RateLimiter of 1qps, and 4 threads,
     * all calling acquire() at these moments:
     *
     * T0 at 0 seconds
     * T1 at 1.05 seconds
     * T2 at 2 seconds
     * T3 at 3 seconds
     *

    - [Node Binaries](#node-binaries-7)
  - [Changelog since v1.21.6](#changelog-since-v1216)
  - [Changes by Kind](#changes-by-kind-6)
    - [Feature](#feature-4)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-6)
  - [Dependencies](#dependencies-7)
    - [Added](#added-7)
    - [Changed](#changed-7)
    - [Removed](#removed-7)
- [v1.21.6](#v1216)

 * will be performed during write operations, or during occasional read operations in the absence of
 * writes. The {@link Cache#cleanUp} method of the returned cache will also perform maintenance, but
 * calling it should not be necessary with a high throughput cache. Only caches built with {@link
 * #removalListener removalListener}, {@link #expireAfterWrite expireAfterWrite}, {@link

  - [Changes by Kind](#changes-by-kind-6)
    - [Deprecation](#deprecation)
    - [API Change](#api-change-4)
    - [Feature](#feature-4)
    - [Documentation](#documentation)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-6)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake-1)
    - [Uncategorized](#uncategorized)
  - [Dependencies](#dependencies-6)
    - [Added](#added-6)

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      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the
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