How to interppret the term ANY in dot produced by gstreamer

[Howling wong]

Hi

Have a question about the term ANY in a graph produced by my gstreamer app

The link to the graph is as below  https://drive.google.com/file/d/1T0Z-09FtJccDhFPTsMlkU-3gpwM7XYns/view?usp=sharing
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Thanks
Regards
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