/**
 * WASM module loader. Wraps Emscripten's createAstroskModule factory so
 * callers don't need to know about Emscripten internals.
 *
 * Works in:
 *   - Browser via fetch
 *   - Node via fs.readFile (mapped through Emscripten's instantiateWasm hook)
 *   - Any environment where the user supplies pre-fetched WASM bytes
 */
import type { AstroskInitOptions } from './types.js';
export interface WasmModule {
    _malloc(size: number): number;
    _free(ptr: number): void;
    ccall(name: string, returnType: string | null, argTypes: string[], args: unknown[]): unknown;
    cwrap(name: string, returnType: string | null, argTypes: string[]): (...args: unknown[]) => unknown;
    HEAPF64: Float64Array;
    HEAP32: Int32Array;
    HEAPU8: Uint8Array;
    stringToUTF8(str: string, ptr: number, maxBytes: number): void;
    UTF8ToString(ptr: number, maxBytes?: number): string;
    lengthBytesUTF8(str: string): number;
    getValue(ptr: number, type: string): number;
    setValue(ptr: number, value: number, type: string): void;
    FS: {
        mkdir(path: string): void;
        writeFile(path: string, data: Uint8Array | string): void;
        readFile(path: string, opts?: {
            encoding?: string;
        }): Uint8Array | string;
        unlink(path: string): void;
        analyzePath(path: string): {
            exists: boolean;
        };
    };
}
/**
 * Load the WASM module. Resolves with an initialized Emscripten module.
 *
 * The Emscripten factory `createAstroskModule` is imported from the
 * generated `../wasm/astrosk.js`. That file is an ES module that
 * exports the factory as default.
 */
export declare function loadAstroskModule(options?: AstroskInitOptions): Promise<WasmModule>;
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