pub unsafe extern "C" fn scratch_cuda_multi_bit_programmable_bootstrap_64(
stream: *mut c_void,
gpu_index: u32,
pbs_buffer: *mut *mut i8,
glwe_dimension: u32,
polynomial_size: u32,
level_count: u32,
input_lwe_ciphertext_count: u32,
allocate_gpu_memory: bool,
) -> u64