Change Details

``` This commit does not change behavior. It just adds new skeleton classes that don't do anything and aren't instantiated yet. ``` Partial backport of core PR14437: https://github.com/bitcoin/bitcoin/pull/14437/commits/7e2e62cf7c513bd7d8e784069c5534fda1c50c52 Depends on D5058.

``` This commit does not change behavior. It just adds new skeleton classes that don't do anything and aren't instantiated yet. ``` Partial backport of core [[https://github.com/bitcoin/bitcoin/pull/14437/files | PR14437]]: https://github.com/bitcoin/bitcoin/pull/14437/commits/7e2e62cf7c513bd7d8e784069c5534fda1c50c52 Depends on D5058.

``` This commit does not change behavior. It just adds new skeleton classes that don't do anything and aren't instantiated yet. ``` Partial backport of core [[https://github.com/bitcoin/bitcoin/pull/14437/files | PR14437:]]: https://github.com/bitcoin/bitcoin/pull/14437/commits/7e2e62cf7c513bd7d8e784069c5534fda1c50c52 Depends on D5058.