-model-name-prefix Add prefix to --type-mappings values,How to make it don't add prefix?

[lengyue524]

I use language Swift5
--type-mappings object=JSON --model-name-prefix X3liveCharge
this make object type to X3liveChargeJSON which makes type error.
I only need JSON
If I remove --type-mappings object convert to Any, it did't add the prefix.
How can I contorl the prefix operation.