runtimeEnvironment 
  construct an aws.sdk.kotlin.services.gameliftstreams.model.RuntimeEnvironment inside the given block
Configuration settings that identify the operating system for an application resource. This can also include a compatibility layer and other drivers.
A runtime environment can be one of the following:
- For Linux applications 
- Ubuntu 22.04 LTS ( - Type=UBUNTU, Version=22_04_LTS)
- For Windows applications 
- Microsoft Windows Server 2022 Base ( - Type=WINDOWS, Version=2022)
- Proton 9.0-2 ( - Type=PROTON, Version=20250516)
- Proton 8.0-5 ( - Type=PROTON, Version=20241007)
- Proton 8.0-2c ( - Type=PROTON, Version=20230704)