fn build_variable_frame_buffer_cache(
wave_container: &WaveContainer,
variable_ref: &VariableRef,
cursor: &BigUint,
key: FrameBufferContentCacheKey,
) -> Option<FrameBufferArrayCache>fn build_variable_frame_buffer_cache(
wave_container: &WaveContainer,
variable_ref: &VariableRef,
cursor: &BigUint,
key: FrameBufferContentCacheKey,
) -> Option<FrameBufferArrayCache>