/**
 * Error Classes for NeuroLink Client SDK
 *
 * Provides comprehensive error classification and handling for API errors,
 * network errors, validation errors, and more.
 *
 * @module @neurolink/client/errors
 */
import type { ClientApiError, ErrorCodeType, JsonObject } from "../types/index.js";
/**
 * Standard error codes for NeuroLink API errors
 */
export declare const ErrorCode: {
    readonly BAD_REQUEST: "BAD_REQUEST";
    readonly UNAUTHORIZED: "UNAUTHORIZED";
    readonly FORBIDDEN: "FORBIDDEN";
    readonly NOT_FOUND: "NOT_FOUND";
    readonly METHOD_NOT_ALLOWED: "METHOD_NOT_ALLOWED";
    readonly CONFLICT: "CONFLICT";
    readonly PAYLOAD_TOO_LARGE: "PAYLOAD_TOO_LARGE";
    readonly RATE_LIMITED: "RATE_LIMITED";
    readonly INVALID_REQUEST: "INVALID_REQUEST";
    readonly VALIDATION_ERROR: "VALIDATION_ERROR";
    readonly INTERNAL_ERROR: "INTERNAL_ERROR";
    readonly SERVICE_UNAVAILABLE: "SERVICE_UNAVAILABLE";
    readonly GATEWAY_TIMEOUT: "GATEWAY_TIMEOUT";
    readonly BAD_GATEWAY: "BAD_GATEWAY";
    readonly NETWORK_ERROR: "NETWORK_ERROR";
    readonly TIMEOUT: "TIMEOUT";
    readonly CONNECTION_REFUSED: "CONNECTION_REFUSED";
    readonly DNS_ERROR: "DNS_ERROR";
    readonly CONFIGURATION_ERROR: "CONFIGURATION_ERROR";
    readonly SERIALIZATION_ERROR: "SERIALIZATION_ERROR";
    readonly STREAM_ERROR: "STREAM_ERROR";
    readonly ABORT_ERROR: "ABORT_ERROR";
    readonly PROVIDER_ERROR: "PROVIDER_ERROR";
    readonly MODEL_NOT_FOUND: "MODEL_NOT_FOUND";
    readonly CONTEXT_LENGTH_EXCEEDED: "CONTEXT_LENGTH_EXCEEDED";
    readonly CONTENT_FILTERED: "CONTENT_FILTERED";
    readonly UNKNOWN: "UNKNOWN";
};
/**
 * Base error class for all NeuroLink client errors
 *
 * Provides consistent error structure with error codes, status codes,
 * and additional metadata.
 */
export declare class NeuroLinkError extends Error {
    /** Error code for programmatic handling */
    readonly code: ErrorCodeType;
    /** HTTP status code (if applicable) */
    readonly status?: number;
    /** Additional error details */
    readonly details?: JsonObject;
    /** Whether the error is retryable */
    readonly retryable: boolean;
    /** Request ID for error tracking */
    readonly requestId?: string;
    constructor(message: string, code?: ErrorCodeType, options?: {
        status?: number;
        details?: JsonObject;
        retryable?: boolean;
        requestId?: string;
        cause?: Error;
    });
    /**
     * Convert error to API error format
     */
    toApiError(): ClientApiError;
    /**
     * Convert error to JSON
     */
    toJSON(): Record<string, unknown>;
}
/**
 * Error for HTTP-related failures
 */
export declare class HttpError extends NeuroLinkError {
    /** HTTP response headers */
    readonly headers?: Record<string, string>;
    /** HTTP response body */
    readonly body?: unknown;
    constructor(message: string, status: number, options?: {
        code?: ErrorCodeType;
        details?: JsonObject;
        headers?: Record<string, string>;
        body?: unknown;
        requestId?: string;
    });
}
/**
 * Error for rate limiting (429)
 */
export declare class ClientRateLimitError extends HttpError {
    /** Retry-After value in seconds (if provided) */
    readonly retryAfter?: number;
    /** Rate limit reset time */
    readonly resetAt?: Date;
    constructor(message?: string, options?: {
        retryAfter?: number;
        resetAt?: Date;
        details?: JsonObject;
        requestId?: string;
    });
}
/**
 * Error for validation failures (400)
 */
export declare class ClientValidationError extends HttpError {
    /** Field-level validation errors */
    readonly fieldErrors?: Record<string, string[]>;
    constructor(message?: string, options?: {
        fieldErrors?: Record<string, string[]>;
        details?: JsonObject;
        requestId?: string;
    });
}
/**
 * Error for authentication failures (401)
 */
export declare class ClientAuthenticationError extends HttpError {
    constructor(message?: string, options?: {
        details?: JsonObject;
        requestId?: string;
    });
}
/**
 * Error for authorization failures (403)
 */
export declare class ClientAuthorizationError extends HttpError {
    constructor(message?: string, options?: {
        details?: JsonObject;
        requestId?: string;
    });
}
/**
 * Error for not found (404)
 */
export declare class NotFoundError extends HttpError {
    /** Resource type that was not found */
    readonly resourceType?: string;
    /** Resource ID that was not found */
    readonly resourceId?: string;
    constructor(message?: string, options?: {
        resourceType?: string;
        resourceId?: string;
        details?: JsonObject;
        requestId?: string;
    });
}
/**
 * Error for network-related failures
 */
export declare class ClientNetworkError extends NeuroLinkError {
    constructor(message?: string, options?: {
        code?: ErrorCodeType;
        details?: JsonObject;
        cause?: Error;
        requestId?: string;
    });
}
/**
 * Error for request timeout
 */
export declare class ClientTimeoutError extends ClientNetworkError {
    /** Timeout duration in milliseconds */
    readonly timeoutMs: number;
    constructor(timeoutMs: number, message?: string, options?: {
        details?: JsonObject;
        requestId?: string;
    });
}
/**
 * Error for connection refused
 */
export declare class ClientConnectionError extends ClientNetworkError {
    /** Target host */
    readonly host?: string;
    /** Target port */
    readonly port?: number;
    constructor(message?: string, options?: {
        host?: string;
        port?: number;
        details?: JsonObject;
        cause?: Error;
        requestId?: string;
    });
}
/**
 * Error for request cancellation
 */
export declare class AbortError extends NeuroLinkError {
    constructor(message?: string, options?: {
        requestId?: string;
    });
}
/**
 * Error for configuration issues
 */
export declare class ClientConfigurationError extends NeuroLinkError {
    /** Configuration field with issue */
    readonly field?: string;
    constructor(message: string, options?: {
        field?: string;
        details?: JsonObject;
    });
}
/**
 * Error for stream processing failures
 */
export declare class StreamError extends NeuroLinkError {
    constructor(message?: string, options?: {
        details?: JsonObject;
        cause?: Error;
        requestId?: string;
    });
}
/**
 * Error from AI provider
 */
export declare class ClientProviderError extends NeuroLinkError {
    /** Provider name */
    readonly provider?: string;
    /** Model name */
    readonly model?: string;
    /** Original provider error */
    readonly providerError?: unknown;
    constructor(message: string, options?: {
        provider?: string;
        model?: string;
        providerError?: unknown;
        status?: number;
        details?: JsonObject;
        retryable?: boolean;
        requestId?: string;
    });
}
/**
 * Error for context length exceeded
 */
export declare class ContextLengthError extends ClientProviderError {
    /** Maximum allowed tokens */
    readonly maxTokens?: number;
    /** Requested tokens */
    readonly requestedTokens?: number;
    constructor(message?: string, options?: {
        maxTokens?: number;
        requestedTokens?: number;
        provider?: string;
        model?: string;
        requestId?: string;
    });
}
/**
 * Error for content filtering
 */
export declare class ContentFilterError extends ClientProviderError {
    /** Filter category that triggered */
    readonly category?: string;
    constructor(message?: string, options?: {
        category?: string;
        provider?: string;
        model?: string;
        requestId?: string;
    });
}
/**
 * Create an error from an API error response
 */
export declare function createErrorFromResponse(apiError: ClientApiError, options?: {
    requestId?: string;
}): NeuroLinkError;
/**
 * Create an error from a native Error object
 */
export declare function createErrorFromNative(error: Error, options?: {
    requestId?: string;
}): NeuroLinkError;
/**
 * Map HTTP status code to error code
 */
export declare function mapStatusToErrorCode(status: number): ErrorCodeType;
/**
 * Check if a status code is retryable
 */
export declare function isRetryableStatus(status: number): boolean;
/**
 * Check if an error is retryable
 */
export declare function isRetryableError(error: unknown): boolean;
/**
 * Type guard for NeuroLinkError
 */
export declare function isNeuroLinkError(error: unknown): error is NeuroLinkError;
/**
 * Type guard for ClientApiError
 */
export declare function isApiError(error: unknown): error is ClientApiError;