export type ErrorCode = 'CONFIG_ERROR' | 'API_NOT_FOUND' | 'ENDPOINT_NOT_FOUND' | 'AUTH_ERROR' | 'REQUEST_ERROR' | 'SCHEMA_ERROR';
export declare class OpenApiMcpError extends Error {
    readonly code: ErrorCode;
    readonly details?: unknown;
    constructor(code: ErrorCode, message: string, details?: unknown);
}
export declare function asErrorResponse(error: unknown): {
    code: ErrorCode;
    message: string;
    details?: unknown;
};