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import { WASM } from "../backend_wasm/mod.ts";import { Sequential } from "./mod.ts";import { Backend, BackendType, NetworkConfig } from "./types.ts";
// deno-lint-ignore no-window-prefixwindow.onerror = () => {  if (typeof Deno == "undefined") {    throw new Error(      "Warning: Deno is not defined. Did you mean to import from ./web.ts instead of ./mod.ts?",    );  }};
export interface BackendInstance {  /**   * Initialize the backend.   */  init(): Promise<void>;}
/** * The Backend Loader is responsible for loading the backend and setting it up. */export interface BackendLoader {  /**   * Setup the backend. Returns true if the backend was successfully setup.   */  setup(silent: boolean): Promise<boolean>;
  /**   * Load the backend from a config.   */  loadBackend(config: NetworkConfig): Backend;
  /**   * Load a model from a safe tensors file path.   */  loadFile(path: string): Sequential;
  /**   * Load a model from Uint8Array data.   */  load(data: Uint8Array): Sequential;}
/** * setupBackend loads the backend and sets it up. * ```ts * import { setupBackend, CPU } from "https://deno.land/x/netsaur/mod.ts"; *  * await setupBackend(CPU); * ``` */export async function setupBackend(loader: BackendLoader, silent = false) {  const success = await loader.setup(silent);  if (!success) {    if (!silent) console.log("Defaulting to CPU Backend");    await WASM.setup(silent);  }  Engine.backendLoader = loader;}
/** * the Engine manages the backend and the backend loader. */export class Engine {  static backendLoader: BackendLoader;
  static type: BackendType;}