export type ViewerErrorCode = 'UNSUPPORTED_FORMAT' | 'PARSE_ERROR' | 'RENDER_ERROR' | 'PASSWORD_REQUIRED' | 'PASSWORD_INCORRECT' | 'NETWORK_ERROR' | 'CORRUPT_FILE' | 'PERMISSION_DENIED' | 'MEMORY_LIMIT' | 'WORKER_ERROR';
export interface ViewerErrorOptions {
    cause?: unknown;
    retryable?: boolean;
}
export declare class ViewerError extends Error {
    readonly code: ViewerErrorCode;
    readonly rootCause?: unknown;
    readonly retryable: boolean;
    constructor(code: ViewerErrorCode, message: string, options?: ViewerErrorOptions);
}
export declare function isViewerError(value: unknown): value is ViewerError;