Represents an ID per thread guaranteed to be unique only within a process.
pub const Id = switch (native_os)
pub const Id = switch (native_os) {
.linux,
.dragonfly,
.netbsd,
.freebsd,
.openbsd,
.haiku,
.wasi,
.serenity,
=> u32,
.driverkit, .ios, .maccatalyst, .macos, .tvos, .visionos, .watchos => u64,
.windows => windows.DWORD,
else => usize,
}