export declare const ensureError: (err: unknown) => Error;
export declare const ensureContextError: (err: unknown) => ContextError;
export declare class ContextError extends Error {
    context?: unknown;
    cause?: Error;
    constructor(message: string, options?: {
        cause?: Error;
        context?: unknown;
    });
}
export declare class AuthRequiredError extends Error {
    context?: unknown;
    cause?: Error;
    authRequired: boolean;
    constructor(message: string, authRequired: boolean, options?: {
        cause?: Error;
        context?: unknown;
    });
}