public void setFilePaths(String... filePaths) {
        Path[] paths = new Path[filePaths.length];
        for (int i = 0; i < paths.length; i++) {
            paths[i] = new Path(filePaths[i]);
        }
        setFilePaths(paths);
    }
@Test
    void testSetPathsOnePathNull() {
        assertThatThrownBy(
                        () ->
                                new MultiDummyFileInputFormat()
                                        .setFilePaths("/an/imaginary/path", null))
                .isInstanceOf(IllegalArgumentException.class);
    }