/// <reference types="node" resolution-mode="require"/>
/// <reference types="node" resolution-mode="require"/>
import { ExtensibleProperty } from "@gltf-transform/core";
import { Logger } from "@donmccurdy/caporal";
/**
 * Clear the cache.
 * This will remove all files in the cache directory.
 */
export declare function clearCache(logger?: Logger): void;
export declare const cacheSizeLimit: number;
/**
 * Ensure that the cache size does not exceed the given maximum size in MB.
 * @param maxSizeMB The maximum size in MB.
 */
export declare function limitCacheSize(maxSizeMB?: number): void;
/**
 * Add data to the cache.
 * @param key The key to store the data under.
 * @param bytes The data to store as a Uint8Array.
 */
export declare function addToCache(key: string, bytes: Uint8Array | Buffer): void;
/**
 * Try to get the data from the cache.
 * @param key The key to look up.
 * @returns The data as a Uint8Array or null if not found.
 * @throws If the cache file is corrupted.
 */
export declare function tryGetFromCache(key: string): Uint8Array | null;
/** Add meta data to the cache.
 * @param key The key to store the meta data for.
 * @param meta The meta data object to store. It will be serialized to JSON and stored in a file with the key as the name with the extension ".meta".
 */
export declare function addMetaToCache(key: string, meta: object): void;
/** Try to get the meta data from the cache.
 * @param key The key to look up.
 * @param ignoreVersion If true, the version check is skipped. If false, the version must match the current build pipeline version.
 * @returns The meta data object or null if not found.
 */
export declare function tryGetMetaFromCache(key: string, ignoreVersion?: boolean): object | null;
/**
 * Get the cache key for a property.
 * @param property The property to get the key for.
 * @returns The key as a string.
 */
export declare function getKey(property: ExtensibleProperty): string;
export declare function getKeyWithHash(property: ExtensibleProperty): {
    key: string;
    hash: string;
};
/**
 * Get the hash for a property or an object.
 * @param property The property to get the hash for.
 * @param level The current level of recursion.
 * @returns The hash as a number.
 */
export declare function getHash(property: ExtensibleProperty | object, level?: number): string;