Re-organize directory structure (#4971)

See discussion in #2491

Co-authored-by: Ivan Levkivskyi <ilevkivskyi@dropbox.com>

stdlib/@python2/textwrap.pyi

@@ -0,0 +1,61 @@
+from typing import AnyStr, Dict, List, Pattern
+
+class TextWrapper(object):
+    width: int = ...
+    initial_indent: str = ...
+    subsequent_indent: str = ...
+    expand_tabs: bool = ...
+    replace_whitespace: bool = ...
+    fix_sentence_endings: bool = ...
+    drop_whitespace: bool = ...
+    break_long_words: bool = ...
+    break_on_hyphens: bool = ...
+
+    # Attributes not present in documentation
+    sentence_end_re: Pattern[str] = ...
+    wordsep_re: Pattern[str] = ...
+    wordsep_simple_re: Pattern[str] = ...
+    whitespace_trans: str = ...
+    unicode_whitespace_trans: Dict[int, int] = ...
+    uspace: int = ...
+    x: int = ...
+    def __init__(
+        self,
+        width: int = ...,
+        initial_indent: str = ...,
+        subsequent_indent: str = ...,
+        expand_tabs: bool = ...,
+        replace_whitespace: bool = ...,
+        fix_sentence_endings: bool = ...,
+        break_long_words: bool = ...,
+        drop_whitespace: bool = ...,
+        break_on_hyphens: bool = ...,
+    ) -> None: ...
+    def wrap(self, text: AnyStr) -> List[AnyStr]: ...
+    def fill(self, text: AnyStr) -> AnyStr: ...
+
+def wrap(
+    text: AnyStr,
+    width: int = ...,
+    initial_indent: AnyStr = ...,
+    subsequent_indent: AnyStr = ...,
+    expand_tabs: bool = ...,
+    replace_whitespace: bool = ...,
+    fix_sentence_endings: bool = ...,
+    break_long_words: bool = ...,
+    drop_whitespace: bool = ...,
+    break_on_hyphens: bool = ...,
+) -> List[AnyStr]: ...
+def fill(
+    text: AnyStr,
+    width: int = ...,
+    initial_indent: AnyStr = ...,
+    subsequent_indent: AnyStr = ...,
+    expand_tabs: bool = ...,
+    replace_whitespace: bool = ...,
+    fix_sentence_endings: bool = ...,
+    break_long_words: bool = ...,
+    drop_whitespace: bool = ...,
+    break_on_hyphens: bool = ...,
+) -> AnyStr: ...
+def dedent(text: AnyStr) -> AnyStr: ...