Function sc_shareable_content_get_with_options 

pub unsafe extern "C" fn sc_shareable_content_get_with_options(
    exclude_desktop_windows: bool,
    on_screen_windows_only: bool,
    callback: extern "C" fn(*const c_void, *const i8, *mut c_void),
    user_data: *mut c_void,
)

Async callback-based shareable content retrieval with options