RFR: 8345188: Support tree-structural pseudo-classes [v10]

[Michael Strauß]

On Thu, 9 Jan 2025 21:45:58 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

> Note that you may not have choice where to insert, as the order of children also determines their Z ordering.

You can always prepare the required list in advance, and then `setAll` it.

-------------

PR Comment: https://git.openjdk.org/jfx/pull/1652#issuecomment-2581308533