Function encode_delta_snapshot_for_client_session_with_scratch 

pub fn encode_delta_snapshot_for_client_session_with_scratch(
    schema: &Schema,
    tick: SnapshotTick,
    baseline_tick: SnapshotTick,
    baseline: &Snapshot,
    current: &Snapshot,
    limits: &CodecLimits,
    scratch: &mut CodecScratch,
    last_tick: &mut SnapshotTick,
    out: &mut [u8],
) -> CodecResult<usize>

Encodes a client delta snapshot using a compact session header.