/**
 * Error type definitions for NeuBird MCP Server
 */
export type ErrorType = 'authentication' | 'api' | 'validation' | 'investigation' | 'unknown';
/**
 * Base error class for NeuBird MCP errors (class kept as HawkeyeError for backward compat)
 */
export declare class HawkeyeError extends Error {
    readonly type: ErrorType;
    readonly details?: any;
    readonly recoverySuggestions?: string[];
    constructor(type: ErrorType, message: string, details?: any, recoverySuggestions?: string[]);
    /**
     * Convert to JSON format for MCP tool responses
     */
    toJSON(): {
        error: {
            type: ErrorType;
            message: string;
            details: any;
            recovery_suggestions: string[] | undefined;
        };
    };
}
/**
 * Authentication-related errors
 */
export declare class AuthenticationError extends HawkeyeError {
    constructor(message: string, details?: any, recoverySuggestions?: string[]);
}
/**
 * API-related errors (network, HTTP status codes, etc.)
 */
export declare class ApiError extends HawkeyeError {
    readonly statusCode?: number;
    readonly response?: any;
    constructor(message: string, statusCode?: number, response?: any, recoverySuggestions?: string[]);
}
/**
 * Validation errors (invalid inputs, schema violations, etc.)
 */
export declare class ValidationError extends HawkeyeError {
    constructor(message: string, details?: any, recoverySuggestions?: string[]);
}
/**
 * Investigation-related errors (session creation, timeouts, etc.)
 */
export declare class InvestigationError extends HawkeyeError {
    constructor(message: string, details?: any, recoverySuggestions?: string[]);
}
/**
 * Error response format for MCP tools
 */
export interface ErrorResponse {
    error: {
        type: ErrorType;
        message: string;
        details?: any;
        recovery_suggestions?: string[];
    };
}