"{ Files.newByteChannel(new File(\"$filePath\").toPath(), StandardOpenOption.READ, StandardOpenOption.WRITE).close(); null }()"
            }
        }
    }

    static UndeclaredFileAccess fileReadLines(String filePath) {
        new UndeclaredFileAccess(filePath) {
            @Override
            String getKotlinExpression() {
                "File(\"$filePath\").readLines()"
            }

        "reading lines from a file"                     | (TestFile it) -> { UndeclaredFileAccess.fileReadLines(testFilePath(it)) }
    }
}

class FileUtils {
    static String testFilePath(TestFile testDirectory) {
        testDirectory.file(testFileName).absolutePath.replace("\\", "/")
    }