Init message for thread Workers. Threads share the parent process's Memory and run a function pointer.
Optional
See [CentralizedWorkerInitMessage#kernelAbiVersion].
CentralizedWorkerInitMessage#kernelAbiVersion
Pointer width: 4 for wasm32, 8 for wasm64. Defaults to 4.
Use tlsOffset.
Pre-allocated address in shared memory for Wasm TLS initialization.
Init message for thread Workers. Threads share the parent process's Memory and run a function pointer.