import type { VirtualMeshData } from '../preprocess/buildVirtualMesh.js';
/** Bumped whenever the container layout or an encoding changes; older readers reject newer files. */
export declare const VG_FORMAT_VERSION = 1;
export interface VirtualMeshEncodeOptions {
    /** Store `indices` instead of rebuilding it from the meshlet arrays on decode. Default false. */
    keepIndices?: boolean;
    /** Lossless compression with meshoptimizer's codecs. Default true; false stores every array uncompressed. */
    compress?: boolean;
    /**
     * Also deflate fields where that makes them smaller (about 30% smaller files, about 2x slower decoding).
     * Default true; ignored where `CompressionStream` is unavailable. The IndexedDB cache turns it off.
     */
    deflate?: boolean;
}
export declare class VirtualMeshFormatError extends Error {
    constructor(message: string);
}
export declare function encodeVirtualMesh(data: VirtualMeshData, options?: VirtualMeshEncodeOptions): Promise<Uint8Array>;
export declare function decodeVirtualMesh(input: ArrayBuffer | ArrayBufferView): Promise<VirtualMeshData>;
/** Fetches and decodes a baked `.vgeo` file, or decodes bytes that are already in memory. */
export declare function loadVirtualMesh(source: string | URL | ArrayBuffer | ArrayBufferView, init?: RequestInit): Promise<VirtualMeshData>;