import type { ServerSettings, ServerSettingsPatch } from "@t3tools/contracts"; export interface ServerSettingsWriteQueue {  readonly enqueue: (patch: ServerSettingsPatch) => void;  readonly reset: () => void;  readonly drain: () => Promise<void>;} export function createServerSettingsWriteQueue(input: {  readonly updateSettings: (patch: ServerSettingsPatch) => Promise<ServerSettings>;  readonly applySettings: (settings: ServerSettings) => void;  readonly onError: (error: unknown) => void;}): ServerSettingsWriteQueue {  let queue: Promise<void> = Promise.resolve();   return {    enqueue: (patch) => {      queue = queue        .catch(() => undefined)        .then(async () => {          const settings = await input.updateSettings(patch);          input.applySettings(settings);        })        .catch(input.onError);    },    reset: () => {      queue = Promise.resolve();    },    drain: () => queue,  };}