/**
 * Custom error classes for the MCP Codebase Index server
 */
/**
 * Base error class for all custom errors
 */
export declare class CodebaseIndexError extends Error {
    readonly code?: string | undefined;
    constructor(message: string, code?: string | undefined);
}
/**
 * Configuration-related errors
 */
export declare class ConfigurationError extends CodebaseIndexError {
    constructor(message: string);
}
/**
 * Parsing-related errors
 */
export declare class ParsingError extends CodebaseIndexError {
    readonly file?: string | undefined;
    constructor(message: string, file?: string | undefined);
}
/**
 * Embedding-related errors
 */
export declare class EmbeddingError extends CodebaseIndexError {
    readonly provider?: string | undefined;
    constructor(message: string, provider?: string | undefined);
}
/**
 * Storage-related errors
 */
export declare class StorageError extends CodebaseIndexError {
    constructor(message: string);
}
/**
 * Indexing-related errors
 */
export declare class IndexingError extends CodebaseIndexError {
    readonly file?: string | undefined;
    constructor(message: string, file?: string | undefined);
}
/**
 * Search-related errors
 */
export declare class SearchError extends CodebaseIndexError {
    constructor(message: string);
}
/**
 * Validation-related errors
 */
export declare class ValidationError extends CodebaseIndexError {
    readonly field?: string | undefined;
    constructor(message: string, field?: string | undefined);
}
/**
 * Network-related errors
 */
export declare class NetworkError extends CodebaseIndexError {
    readonly url?: string | undefined;
    constructor(message: string, url?: string | undefined);
}
/**
 * File system-related errors
 */
export declare class FileSystemError extends CodebaseIndexError {
    readonly path?: string | undefined;
    constructor(message: string, path?: string | undefined);
}
/**
 * Check if an error is a known error type
 */
export declare function isKnownError(error: unknown): error is CodebaseIndexError;
/**
 * Format error for user display
 */
export declare function formatError(error: unknown): string;
/**
 * Extract error message from unknown error
 */
export declare function getErrorMessage(error: unknown): string;
/**
 * Create a retry-able error wrapper
 */
export declare class RetryableError extends CodebaseIndexError {
    readonly retryAfter?: number | undefined;
    constructor(message: string, retryAfter?: number | undefined);
}
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