RFR: 8350316: Create implementation of NSAccessibilityProgressIndicator protocol

[Alexander Zuev]

On Wed, 30 Apr 2025 21:52:15 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> How can one test the group protocol change?

Right now the group protocol is only used as a parent protocol for the composite component such as ProgressBar and the only way to properly test it is to add the debugging output to methods such as accessibilityChildren is being called when navigating to the ProgressBar. Later when there will be more composite components the usage will grow.

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PR Comment: https://git.openjdk.org/jfx/pull/1796#issuecomment-2850339214