Function goa_sys::goa_manager_call_add_account

pub unsafe extern "C" fn goa_manager_call_add_account(
    proxy: *mut GoaManager, 
    arg_provider: *const c_char, 
    arg_identity: *const c_char, 
    arg_presentation_identity: *const c_char, 
    arg_credentials: *mut GVariant, 
    arg_details: *mut GVariant, 
    cancellable: *mut GCancellable, 
    callback: GAsyncReadyCallback, 
    user_data: gpointer
)