RFR: 8375588: Enhanced property metadata [v2]

[Michael Strauß]

On Wed, 21 Jan 2026 17:45:35 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> What do you think of
> 
> ```
> Set<AttachedProperty> props = AttachedProperty.from(node);
> ```
> 
> without the Node having to implement `HasAttachedProperties` interface?

Attached properties are not exclusive to `Node`, we already have an attached property for `Stage` in JFX 26 (`HeaderBar.prefButtonHeight`). In any case, having something along the lines of `AttachedProperty.from(node)` would entangle the implementation of `Node` (and other classes) with `AttachedProperty`.

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PR Comment: https://git.openjdk.org/jfx/pull/2015#issuecomment-3780988596