--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stubs/usb/backend/libusb0.pyi	Tue May 28 06:42:27 2019 +0000
@@ -0,0 +1,66 @@
+# Stubs for usb.backend.libusb0 (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from ctypes import *
+import usb.libloader
+from typing import Any, Optional
+
+class _PackPolicy: ...
+class _usb_descriptor_header(Structure): ...
+class _usb_string_descriptor(Structure): ...
+class _usb_endpoint_descriptor(Structure, _PackPolicy): ...
+class _usb_interface_descriptor(Structure, _PackPolicy): ...
+class _usb_interface(Structure, _PackPolicy): ...
+class _usb_config_descriptor(Structure, _PackPolicy): ...
+class _usb_device_descriptor(Structure, _PackPolicy): ...
+class _usb_device(Structure, _PackPolicy): ...
+class _usb_bus(Structure, _PackPolicy): ...
+
+class _DeviceDescriptor:
+    bLength: Any = ...
+    bDescriptorType: Any = ...
+    bcdUSB: Any = ...
+    bDeviceClass: Any = ...
+    bDeviceSubClass: Any = ...
+    bDeviceProtocol: Any = ...
+    bMaxPacketSize0: Any = ...
+    idVendor: Any = ...
+    idProduct: Any = ...
+    bcdDevice: Any = ...
+    iManufacturer: Any = ...
+    iProduct: Any = ...
+    iSerialNumber: Any = ...
+    bNumConfigurations: Any = ...
+    address: Any = ...
+    bus: Any = ...
+    port_number: Any = ...
+    port_numbers: Any = ...
+    speed: Any = ...
+    def __init__(self, dev: Any) -> None: ...
+
+class _LibUSB(usb.backend.IBackend):
+    def enumerate_devices(self) -> None: ...
+    def get_device_descriptor(self, dev: Any): ...
+    def get_configuration_descriptor(self, dev: Any, config: Any): ...
+    def get_interface_descriptor(self, dev: Any, intf: Any, alt: Any, config: Any): ...
+    def get_endpoint_descriptor(self, dev: Any, ep: Any, intf: Any, alt: Any, config: Any): ...
+    def open_device(self, dev: Any): ...
+    def close_device(self, dev_handle: Any) -> None: ...
+    def set_configuration(self, dev_handle: Any, config_value: Any) -> None: ...
+    def get_configuration(self, dev_handle: Any): ...
+    def set_interface_altsetting(self, dev_handle: Any, intf: Any, altsetting: Any) -> None: ...
+    def claim_interface(self, dev_handle: Any, intf: Any) -> None: ...
+    def release_interface(self, dev_handle: Any, intf: Any) -> None: ...
+    def bulk_write(self, dev_handle: Any, ep: Any, intf: Any, data: Any, timeout: Any): ...
+    def bulk_read(self, dev_handle: Any, ep: Any, intf: Any, buff: Any, timeout: Any): ...
+    def intr_write(self, dev_handle: Any, ep: Any, intf: Any, data: Any, timeout: Any): ...
+    def intr_read(self, dev_handle: Any, ep: Any, intf: Any, buff: Any, timeout: Any): ...
+    def iso_write(self, dev_handle: Any, ep: Any, intf: Any, data: Any, timeout: Any): ...
+    def iso_read(self, dev_handle: Any, ep: Any, intf: Any, buff: Any, timeout: Any): ...
+    def ctrl_transfer(self, dev_handle: Any, bmRequestType: Any, bRequest: Any, wValue: Any, wIndex: Any, data: Any, timeout: Any): ...
+    def clear_halt(self, dev_handle: Any, ep: Any) -> None: ...
+    def reset_device(self, dev_handle: Any) -> None: ...
+    def detach_kernel_driver(self, dev_handle: Any, intf: Any) -> None: ...
+
+def get_backend(find_library: Optional[Any] = ...): ...