export declare class ValueError extends Error { } export declare class RuntimeError extends Error { } export declare class PersistError extends Error { } export declare class RepositoryError extends Error { } export declare class BadVersionError extends RepositoryError { } export declare class EqualVersionError extends BadVersionError { } export declare class ExpiredMetadataError extends RepositoryError { } export declare class DownloadError extends Error { } export declare class DownloadLengthMismatchError extends DownloadError { } export declare class DownloadHTTPError extends DownloadError { statusCode: number; constructor(message: string, statusCode: number); }