return additionalLines;
    }

    public void setAdditionalLines(List<String> additionalLines) {
        this.additionalLines = additionalLines;
    }

    @TaskAction
    public void concatFiles() throws IOException {
        if (getHeaderLine() != null) {
            Files.write(getTarget().toPath(), (getHeaderLine() + '\n').getBytes(StandardCharsets.UTF_8));
        }

        // To remove duplicate lines