src/vs/workbench/contrib/terminal/browser/terminalProcessManager.ts/TerminalProcessManager/refreshProperty
class TerminalProcessManager:	async refreshProperty<T extends ProcessPropertyType>(type: T): Promise<IProcessPropertyMap[T]> {
		if (!this._process) {
			throw new Error('Cannot refresh property when process is not set');
		}
		return this._process.refreshProperty(type);
	}