/usr/lib/gambas3/gb.qt4.ext.component is in gambas3-gb-qt4-ext 3.8.4-2ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [Component]
Key=gb.qt4.ext
Author=Nigel Gerrard,BenoƮt Minisini
Require=gb.qt4
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