10 files declare their use of GeshiFilter in GeSHi Filter for syntax highlighting 8

CodeSnippetGeshiCKEditorButton.php in codesnippetgeshi/src/Plugin/CKEditorPlugin/CodeSnippetGeshiCKEditorButton.php

GeshiFieldDefaultWidget.php in geshifield/src/Plugin/Field/FieldWidget/GeshiFieldDefaultWidget.php

GeshiFieldTest.php in geshifield/tests/src/Functional/GeshiFieldTest.php

geshifilter.install in ./geshifilter.install

Installation and uninstallation functions for the GeSHi filter.

geshifilter.module in ./geshifilter.module

An input filter for syntax highlighting using the GeSHi library.

GeshiFilterAdministrationTest.php in tests/src/Functional/GeshiFilterAdministrationTest.php

GeshiFilterFilter.php in src/Plugin/Filter/GeshiFilterFilter.php

GeshiFilterLanguagesForm.php in src/Form/GeshiFilterLanguagesForm.php

GeshiFilterSettingsForm.php in src/Form/GeshiFilterSettingsForm.php

GeshiFilterTest.php in tests/src/Functional/GeshiFilterTest.php