/**
 * Base MCP Error class
 */
export declare class MCPError extends Error {
    code: number;
    data?: any;
    constructor(message: string, code: number, data?: any);
    toJSON(): {
        error: {
            code: number;
            message: string;
            data: any;
        };
    };
}
/**
 * Authentication error
 */
export declare class AuthenticationError extends MCPError {
    constructor(message?: string, data?: any);
}
/**
 * Validation error
 */
export declare class ValidationError extends MCPError {
    constructor(message?: string, data?: any);
}
/**
 * Resource not found error
 */
export declare class ResourceNotFoundError extends MCPError {
    constructor(message?: string, data?: any);
}
/**
 * Tool execution error
 */
export declare class ToolExecutionError extends MCPError {
    constructor(message?: string, data?: any);
}
/**
 * Webhook error
 */
export declare class WebhookError extends MCPError {
    constructor(message?: string, data?: any);
}
/**
 * Storage error
 */
export declare class StorageError extends MCPError {
    constructor(message?: string, data?: any);
}
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