Enhancing standard component with new component usage

Hi!
I try to enhance standard component /SAPSRM/WDC_AOFC_BEV with new component usage (say, SALV_WD_TABLE). It allows me to add new usage, but the usage does not appear in the "Component Usages" tree node.
Is it a bug? Is it possible to enhance a standard component with new component usage?

Hi Thomas!
We've been communicating with SAP on this issue for a while and last response we obtained is next:
Dear customer,
the possibility to create external controller usages (as required for
the ALV-usage) is not supported by the Web Dynpro ABAP development
tools. However, you could try a programmatic apporach by adding the
ALV-usage dynamically (e.g. in methods or method exits created within
your enhancement implementation).
See test component WDR_TEST_DYN_ALV_USAGE for details.
What's your opinion on this? Is it really not a bug?

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