The limit defines a number of bytes persistence plugin can support to store the snapshot. If plugin does not support persistence of the snapshots of 10000 bytes or may support more than default size, the value can be overriden by the SnapshotStoreSpec implementation with a note in a plugin documentation.

protected virtual int SnapshotByteSizeLimit { get; }

abstract SnapshotByteSizeLimit : int with get
override SnapshotByteSizeLimit : int with get