}
	for i, r := range *deprecationWarning {
		if !unicode.IsPrint(r) {
			errors = append(errors, fmt.Sprintf("must only contain printable UTF-8 characters; non-printable character found at index %d", i))
			break
		}
		if unicode.IsControl(r) {
			errors = append(errors, fmt.Sprintf("must only contain printable UTF-8 characters; control character found at index %d", i))
			break
		}
	}
	if !utf8.ValidString(*deprecationWarning) {

    @get:OutputFile
    abstract val outputFile: RegularFileProperty

    @TaskAction
    fun summarize() {
        outputFile.get().asFile.run {
            parentFile.mkdirs()
            writeText(summaryString())
        }
    }

    private
    fun summaryString() = inputSummaries.files.joinToString(separator = "\\n") { it.readText() }
}