createTask({ src, dst, babel }) {
        const output = new File(dst);

        Assert.combine(src, output);

        return new ConcatFilesTask({
            src,
            output,
            babel,
            ignore: [output.relativePath()]
        });
    }
@param {object} param0
@param {string|string[]} param0.src
@param {string} param0.dst
@param {boolean} param0.babel