src/vs/platform/terminal/node/ptyService.ts/PtyService/acceptDetachInstanceReply
class PtyService:	async acceptDetachInstanceReply(requestId: number, persistentProcessId: number): Promise<void> {
		let processDetails: IProcessDetails | undefined = undefined;
		const pty = this._ptys.get(persistentProcessId);
		if (pty) {
			processDetails = await this._buildProcessDetails(persistentProcessId, pty);
		}
		this._detachInstanceRequestStore.acceptReply(requestId, processDetails);
	}