public static String getExternalDocumentsPath() {
        if (isExternalStorageDisable()) return "";
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
            return getAbsolutePath(Environment.getExternalStorageDirectory()) + "/Documents";
        }
        return getAbsolutePath(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS));
    }
Return the path of /storage/emulated/0/Documents.

@return the path of /storage/emulated/0/Documents
imitate/src/main/java/com/engineer/imitate/util/PathUtils.java