Ok, I think there is something off in the plugin and in ktlint. With `ktlint_code_style = ktlint_off...

# ktlint

[Vampire]

Ok, I think there is something off in the plugin and in ktlint.
With ktlint_code_style = ktlint_official and ktlint_experimental = enabled, the CLI complains about Foo2 and Foo6 as expected.
But with ktlint_code_style = intellij_idea and ktlint_experimental = enabled, the CLI does not complain about anything.
And the plugin in both cases just changes Foo3.
o_O

[Vampire]

Ah, ok, this is probably again because no max line length is set, and that the IDE behaves differently is most probably due to the caching issue I reported.