ExtraMemoryUsed
Hidden
This item is not shown in the object browser. It is likely not intended for widespread use. Expect problems and changes.
PluginSecurity
This member cannot be used in scripts, but is usable in the command bar and plugins.
NotReplicated
This item is not replicated across Roblox’s server/client boundary.
ExtraMemoryUsed is an unused debug property intended for streaming.
It appears to specify how much extra memory is allocated to streaming, in MBs.