export declare class FilesNotFoundError extends Error { files: string[]; constructor(files?: string[]); } export declare class InvalidResponseError extends Error { constructor(message: string); } export declare class ArtifactNotFoundError extends Error { constructor(message?: string); } export declare class GHESNotSupportedError extends Error { constructor(message?: string); } export declare class NetworkError extends Error { code: string; constructor(code: string); static isNetworkErrorCode: (code?: string) => boolean; } export declare class UsageError extends Error { constructor(); static isUsageErrorMessage: (msg?: string) => boolean; }