.getOrPut(declaration.sinceVersion) { mutableSetOf() }
                    .add(buildIncubatingDescription(sourceFile, ktFile, declaration))
            }
        }
        return versionsToIncubating
    }

    private
    fun buildIncubatingDescription(sourceFile: File, ktFile: KtFile, declaration: KtNamedDeclaration): String {
        var incubating = "${declaration.typeParametersString}${declaration.fullyQualifiedName}"

        parameters.reports.files.sorted().forEach { file ->
            file.forEachLine(Charsets.UTF_8) {
                val (version, _, problem) = it.split(';')
                byCategory.getOrPut(toCategory(version, file.nameWithoutExtension)) {
                    mutableMapOf()
                }.getOrPut(file.nameWithoutExtension) {
                    mutableSetOf()
                }.add(problem)