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diff --git a/external/plyer/facades/filechooser.py b/external/plyer/facades/filechooser.py
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+++ b/external/plyer/facades/filechooser.py
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+class FileChooser(object):
+    '''Native filechooser dialog facade.
+
+    open_file, save_file and choose_dir accept a number of arguments
+    listed below. They return either a list of paths (normally
+    absolute), or None if no file was selected or the operation was
+    canceled and no result is available.
+
+    Arguments:
+        * **path** *(string or None)*: a path that will be selected
+            by default, or None
+        * **multiple** *(bool)*: True if you want the dialog to
+            allow multiple file selection. (Note: Windows doesn't
+            support multiple directory selection)
+        * **filters** *(iterable)*: either a list of wildcard patterns
+            or of sequences that contain the name of the filter and any
+            number of wildcards that will be grouped under that name
+            (e.g. [["Music", "*mp3", "*ogg", "*aac"], "*jpg", "*py"])
+        * **preview** *(bool)*: True if you want the file chooser to
+            show a preview of the selected file, if supported by the
+            back-end.
+        * **title** *(string or None)*: The title of the file chooser
+            window, or None for the default title.
+        * **icon** *(string or None)*: Path to the icon of the file
+            chooser window (where supported), or None for the back-end's
+            default.
+        * **show_hidden** *(bool)*: Force showing hidden files (currently
+            supported only on Windows)
+
+    Important: these methods will return only after user interaction.
+    Use threads or you will stop the mainloop if your app has one.
+    '''
+
+    def _file_selection_dialog(self, **kwargs):
+        raise NotImplementedError()
+
+    def open_file(self, *args, **kwargs):
+        """Open the file chooser in "open" mode.
+        """
+        return self._file_selection_dialog(mode="open", *args, **kwargs)
+
+    def save_file(self, *args, **kwargs):
+        """Open the file chooser in "save" mode. Confirmation will be asked
+        when a file with the same name already exists.
+        """
+        return self._file_selection_dialog(mode="save", *args, **kwargs)
+
+    def choose_dir(self, *args, **kwargs):
+        """Open the directory chooser. Note that on Windows this is very
+        limited. Consider writing your own chooser if you target that
+        platform and are planning on using unsupported features.
+        """
+        return self._file_selection_dialog(mode="dir", *args, **kwargs)