export declare class MCPError extends Error {
    readonly code: string;
    readonly details?: any | undefined;
    constructor(message: string, code: string, details?: any | undefined);
}
export declare class ConnectionError extends MCPError {
    constructor(message: string, details?: any);
}
export declare class ValidationError extends MCPError {
    constructor(message: string, details?: any);
}
export declare class SecurityError extends MCPError {
    constructor(message: string, details?: any);
}
export declare class QueryError extends MCPError {
    constructor(message: string, details?: any);
}
export declare class TimeoutError extends MCPError {
    constructor(message: string, details?: any);
}
export declare class PermissionError extends MCPError {
    constructor(message: string, details?: any);
}
export declare class ErrorHandler {
    static handleSqlServerError(error: any): MCPError;
    static formatErrorForUser(error: MCPError): {
        error: string;
        code: string;
        suggestions?: string[];
    };
}
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