/**
 * Fetch and compile the WASM binary at the given URL, returning a cached Promise on subsequent calls.
 *
 * Uses {@link WebAssembly.compileStreaming} when available for the fastest path (compile while
 * downloading); falls back to `WebAssembly.compile(arrayBuffer)` if streaming compile is unavailable
 * or rejects (e.g. when the server sends the wrong `Content-Type` for the `.wasm` response).
 *
 * Rejected promises are evicted from the cache so callers can retry after a transient failure.
 *
 * The URL should be obtained by invoking the `getLocateFile(config)` callback — that's the single
 * source of truth for SIMD vs no-SIMD selection and custom-URL substitution.
 *
 * @param url The resolved URL of the `.wasm` binary.
 */
export declare const getCompiledWasmModule: (url: string) => Promise<WebAssembly.Module>;
/**
 * Build the Emscripten `instantiateWasm` hook for an already-compiled module. When passed in the
 * Emscripten module options, Emscripten skips its own fetch+compile and calls this hook with the
 * imports it wants bound. We instantiate from the cached module and pass the resulting instance
 * (plus the module) back via `successCallback`.
 *
 * Each call to {@link WebAssembly.instantiate} produces a fresh `WebAssembly.Instance` with its
 * own linear memory, so the same cached module can back many isolated `createSingle` surfaces.
 */
export declare const buildInstantiateWasmHook: (compiledModule: WebAssembly.Module) => (imports: WebAssembly.Imports, successCallback: (instance: WebAssembly.Instance, module: WebAssembly.Module) => void) => {};
/**
 * Clears the in-memory compiled-module cache. Intended for tests and teardown scenarios.
 */
export declare const clearCompiledWasmCache: () => void;