hidden-main-lib.format

hidden-main-lib.cabal:11:3: Unknown field: "visibility"
cabal-version: 3.0
name:          hidden-main-lib
version:       0
synopsis:      main lib have to be visible
build-type:    Simple

library
    exposed-modules:  ElseIf
    default-language: Haskell2010
    build-depends:    base -any