src/vs/platform/terminal/node/ptyService.ts/PersistentTerminalProcess/setUnicodeVersion
class PersistentTerminalProcess:	setUnicodeVersion(version: '6' | '11'): void {
		this.unicodeVersion = version;
		this._serializer.setUnicodeVersion?.(version);
		// TODO: Pass in unicode version in ctor
	}