/**
 * Base error class for MCP server errors
 */
export declare class McpError extends Error {
    code: string;
    statusCode: number;
    details?: unknown | undefined;
    constructor(message: string, code: string, statusCode?: number, details?: unknown | undefined);
}
/**
 * Validation error
 */
export declare class ValidationError extends McpError {
    constructor(message: string, details?: unknown);
}
/**
 * Tool not found error
 */
export declare class ToolNotFoundError extends McpError {
    constructor(toolName: string);
}
/**
 * Resource not found error
 */
export declare class ResourceNotFoundError extends McpError {
    constructor(uri: string);
}
/**
 * Prompt not found error
 */
export declare class PromptNotFoundError extends McpError {
    constructor(promptName: string);
}
/**
 * Rate limit error
 */
export declare class RateLimitError extends McpError {
    constructor(message?: string);
}
/**
 * Tool execution error
 */
export declare class ToolExecutionError extends McpError {
    constructor(toolName: string, originalError: Error);
}
/**
 * Task unauthorized / access denied error
 */
export declare class TaskUnauthorizedError extends McpError {
    constructor(taskId: string, message?: string);
}
/**
 * Format error for response
 */
export declare function formatError(error: Error): {
    code: string;
    message: string;
    details?: unknown;
};
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