import { ErrorCode } from './errorCodes.js';
/**
 * Base Research Error interface implemented by all specialized error classes
 */
export interface ResearchError extends Error {
    /** Error code identifying the specific type of error */
    code: ErrorCode;
    /** The pipeline step where the error occurred */
    step?: string;
    /** Additional details about the error for debugging */
    details?: Record<string, unknown>;
    /** Whether this error should be automatically retried */
    retry?: boolean;
    /** Suggestions for fixing or working around the error */
    suggestions?: string[];
}
/**
 * Base implementation for all specialized research error classes
 */
export declare class BaseResearchError extends Error implements ResearchError {
    code: ErrorCode;
    step?: string;
    details?: Record<string, unknown>;
    retry: boolean;
    suggestions: string[];
    constructor(options: {
        message: string;
        code: ErrorCode;
        step?: string;
        details?: Record<string, unknown>;
        retry?: boolean;
        suggestions?: string[];
    });
    /**
     * Creates a formatted error message with details for logging
     */
    getFormattedMessage(): string;
}
/**
 * Error thrown when there are issues with the research configuration
 */
export declare class ConfigurationError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'>);
}
/**
 * Error thrown when input or output validation fails
 */
export declare class ValidationError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'>);
}
/**
 * Error thrown when network operations fail
 */
export declare class NetworkError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'> & {
        retry?: boolean;
    });
}
/**
 * Error thrown when external API calls fail
 */
export declare class ApiError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'> & {
        retry?: boolean;
        statusCode?: number;
    });
}
/**
 * Error thrown when LLM operations fail
 */
export declare class LLMError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'> & {
        retry?: boolean;
    });
}
/**
 * Error thrown when search operations fail
 */
export declare class SearchError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'> & {
        retry?: boolean;
    });
}
/**
 * Error thrown when content extraction fails
 */
export declare class ExtractionError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'>);
}
/**
 * Error thrown when pipeline execution fails
 */
export declare class PipelineError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'>);
}
/**
 * Error thrown when processing operations fail
 */
export declare class ProcessingError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'>);
}
/**
 * Error thrown when an operation times out
 */
export declare class TimeoutError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'>);
}
/**
 * Error thrown when maximum iterations are reached
 */
export declare class MaxIterationsError extends BaseResearchError {
    constructor(options: Omit<ConstructorParameters<typeof BaseResearchError>[0], 'code'>);
}
/**
 * Type guard to check if an error is a ResearchError
 */
export declare function isResearchError(error: unknown): error is ResearchError;
/**
 * Type guard to check if an error is a NetworkError
 */
export declare function isNetworkError(error: unknown): error is NetworkError;
/**
 * Type guard to check if an error is an ApiError
 */
export declare function isApiError(error: unknown): error is ApiError;
/**
 * Type guard to check if an error is an LLMError
 */
export declare function isLLMError(error: unknown): error is LLMError;
/**
 * Type guard to check if an error is a SearchError
 */
export declare function isSearchError(error: unknown): error is SearchError;
/**
 * Type guard to check if an error is a ValidationError
 */
export declare function isValidationError(error: unknown): error is ValidationError;
/**
 * Type guard to check if an error is a ConfigurationError
 */
export declare function isConfigurationError(error: unknown): error is ConfigurationError;
/**
 * Type guard to check if an error is a ProcessingError
 */
export declare function isProcessingError(error: unknown): error is ProcessingError;
/**
 * Type guard to check if an error is a TimeoutError
 */
export declare function isTimeoutError(error: unknown): error is TimeoutError;
/**
 * Type guard to check if an error is a MaxIterationsError
 */
export declare function isMaxIterationsError(error: unknown): error is MaxIterationsError;
/**
 * Type guard to check if an error is an ExtractionError
 */
export declare function isExtractionError(error: unknown): error is ExtractionError;
/**
 * Type guard to check if an error is a PipelineError
 */
export declare function isPipelineError(error: unknown): error is PipelineError;
/**
 * Type guard to check if an error is retryable
 */
export declare function isRetryableError(error: unknown): boolean;