src/vs/workbench/api/browser/mainThreadTerminalService.ts/MainThreadTerminalService/$sendProcessProperty
class MainThreadTerminalService:	public $sendProcessProperty(terminalId: number, property: IProcessProperty<any>): void {
		if (property.type === ProcessPropertyType.Title) {
			const instance = this._terminalService.getInstanceFromId(terminalId);
			instance?.refreshTabLabels(property.value, TitleEventSource.Api);
		}
		this._terminalProcessProxies.get(terminalId)?.emitProcessProperty(property);
	}