Unable to add docstrings for callback functions

[benknight135]

Unable to add docstrings for callback functions.
Functions using std::function parameters fail to generate stubs.

[2022-09-08 11:27:11,223] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,224] {__init__.py:135} WARNING - def setReadThreadCallback(self: phase.pyphase.stereocamera.AbstractStereoCamera, callback: std::function<void __cdecl(I3DR::Phase::CameraReadResult)>) -> None: ...       
[2022-09-08 11:27:11,225] {__init__.py:136} WARNING -
                                    ^-- Invalid syntax
[2022-09-08 11:27:11,244] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,244] {__init__.py:135} WARNING - def setReadThreadCallback(self: phase.pyphase.stereocamera.DeimosStereoCamera, callback: std::function<void __cdecl(I3DR::Phase::CameraReadResult)>) -> None: ...
[2022-09-08 11:27:11,244] {__init__.py:136} WARNING -
                                  ^-- Invalid syntax
[2022-09-08 11:27:11,252] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,252] {__init__.py:135} WARNING - def setReadThreadCallback(self: phase.pyphase.stereocamera.PhobosStereoCamera, callback: std::function<void __cdecl(I3DR::Phase::CameraReadResult)>) -> None: ...
[2022-09-08 11:27:11,253] {__init__.py:136} WARNING -
                                  ^-- Invalid syntax
[2022-09-08 11:27:11,258] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,258] {__init__.py:135} WARNING - def setReadThreadCallback(self: phase.pyphase.stereocamera.PylonStereoCamera, callback: std::function<void __cdecl(I3DR::Phase::CameraReadResult)>) -> None: ...
[2022-09-08 11:27:11,259] {__init__.py:136} WARNING -
                                 ^-- Invalid syntax
[2022-09-08 11:27:11,268] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,269] {__init__.py:135} WARNING - def setReadThreadCallback(self: phase.pyphase.stereocamera.TitaniaStereoCamera, callback: std::function<void __cdecl(I3DR::Phase::CameraReadResult)>) -> None: ...        
[2022-09-08 11:27:11,269] {__init__.py:136} WARNING -
                                   ^-- Invalid syntax
[2022-09-08 11:27:11,276] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,277] {__init__.py:135} WARNING - def setReadThreadCallback(self: phase.pyphase.stereocamera.UVCStereoCamera, callback: std::function<void __cdecl(I3DR::Phase::CameraReadResult)>) -> None: ...
[2022-09-08 11:27:11,278] {__init__.py:136} WARNING -
                               ^-- Invalid syntax
[2022-09-08 11:27:11,283] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,284] {__init__.py:135} WARNING - def setComputeThreadCallback(self: phase.pyphase.stereomatcher.AbstractStereoMatcher, callback: std::function<void __cdecl(void)>) -> None: ...
[2022-09-08 11:27:11,284] {__init__.py:136} WARNING -
                                         ^-- Invalid syntax
[2022-09-08 11:27:11,287] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,288] {__init__.py:135} WARNING - def setComputeThreadCallback(self: phase.pyphase.stereomatcher.StereoBM, callback: std::function<void __cdecl(void)>) -> None: ...
[2022-09-08 11:27:11,288] {__init__.py:136} WARNING -
                            ^-- Invalid syntax
[2022-09-08 11:27:11,297] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,298] {__init__.py:135} WARNING - def setComputeThreadCallback(self: phase.pyphase.stereomatcher.StereoI3DRSGM, callback: std::function<void __cdecl(void)>) -> None: ...
[2022-09-08 11:27:11,298] {__init__.py:136} WARNING -
                                 ^-- Invalid syntax
[2022-09-08 11:27:11,303] {__init__.py:131} WARNING - Generated stubs signature is degraded to `(*args, **kwargs) -> typing.Any` for
[2022-09-08 11:27:11,304] {__init__.py:135} WARNING - def setComputeThreadCallback(self: phase.pyphase.stereomatcher.StereoSGBM, callback: std::function<void __cdecl(void)>) -> None: ...
[2022-09-08 11:27:11,305] {__init__.py:136} WARNING -
                              ^-- Invalid syntax
[2022-09-08 11:27:11,353] {__init__.py:957} INFO - Useful link: Avoiding C++ types in docstrings:
[2022-09-08 11:27:11,354] {__init__.py:958} INFO -       https://pybind11.readthedocs.io/en/latest/advanced/misc.html#avoiding-cpp-types-in-docstrings