/**
 * ErrorHandler — Centralizes error wrapping and classification.
 *
 * Converts raw Node.js errors into typed csv-super errors
 * with actionable messages.
 */
import { CsvSuperError } from '../errors/CsvSuperError.js';
import { ParseError } from '../errors/ParseError.js';
export declare class ErrorHandler {
    /**
     * Wrap a raw filesystem error into a CsvSuperError.
     */
    static wrapFsError(err: unknown, filePath: string): CsvSuperError;
    /**
     * Determine if an error is a known csv-super typed error.
     */
    static isCsvSuperError(err: unknown): err is CsvSuperError;
    /**
     * Determine if an error is a parse error.
     */
    static isParseError(err: unknown): err is ParseError;
    /**
     * Extract a clean message from any thrown value (including non-Error throws).
     */
    static messageOf(err: unknown): string;
    /**
     * Re-throw only if the error is NOT an expected early-termination signal.
     * (Async generators use a special internal signal for `break` in `for await`)
     */
    static rethrowIfUnexpected(err: unknown): void;
}
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