remove(file)
            }

            addAll(dependencyFiles)
            add(file)
        }

        // Files in the code fragment context module are compiled together with the code fragment itself.
        val targetModules = computeTargetModules(mainFirFile.llFirModuleData.ktModule)

            if (result == null) {
                val containingFile = psi.containingFile
                if (containingFile is KtCodeFragment) {
                    // All content inside a code fragment is implicitly local, but there is no non-local parent
                    return null
                }

                errorWithAttachment("Containing declaration should present for nested declaration ${psi::class}") {

- [`KT-58578`](https://youtrack.jetbrains.com/issue/KT-58578) K2: Commonize expect-actual logic between FIR and IR actualizer
- [`KT-54989`](https://youtrack.jetbrains.com/issue/KT-54989) FIR2IR: fragile code in postfix op detection
- [`KT-59464`](https://youtrack.jetbrains.com/issue/KT-59464) K2: Investigate cases of implicit type refs in Fir2IrImplicitCastInserter