export declare class ArtifactCacheError extends Error {
    readonly name = "ArtifactCacheError";
}
export declare function defaultArtifactCacheRoot(env?: NodeJS.ProcessEnv): string;
export declare function readCompilerArtifact(key: string, root?: string): Promise<Buffer | undefined>;
export declare function writeCompilerArtifact(key: string, bytes: Uint8Array, root?: string): Promise<void>;
//# sourceMappingURL=artifact-cache.d.ts.map