/** MCP CallToolResult shape */
interface CallToolResult {
    [key: string]: unknown;
    isError?: boolean;
    content: Array<{
        type: "text";
        text: string;
    }>;
}
/**
 * Converts HTTP/Axios errors into safe MCP CallToolResult with isError: true.
 * NEVER leaks internal URLs, stack traces, or service names.
 */
export declare class ErrorMapper {
    static fromAxiosError(error: unknown): CallToolResult;
    static toolError(message: string): CallToolResult;
    static fileTooLarge(maxSize: string): CallToolResult;
    /** Strip anything that could leak internals */
    private static sanitize;
}
export {};