/**
 * @packageDocumentation
 *
 * JSON formatter implementation.
 */
import type { LintResult } from '../../core/types.js';
/**
 * Convert lint results to a prettified JSON string.
 *
 * @param results - Results to serialize.
 * @param _useColor - Ignored. Present for API parity with other formatters.
 * @returns JSON representation of the results.
 *
 * @example
 * ```ts
 * const out = jsonFormatter(results);
 * console.log(out);
 * ```
 */
export declare function jsonFormatter(results: LintResult[], _useColor?: boolean): string;
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