import type { LintDiagnostic, LintRule } from "../../lint/rule.js";
/**
 * Format diagnostics in stylish format (similar to ESLint)
 * Groups by file, shows severity, message, and rule ID
 */
export declare function formatStylish(diagnostics: LintDiagnostic[]): string;
/**
 * Format the summary line
 */
export declare function formatSummary(errorCount: number, warningCount: number): string;
/**
 * Format diagnostics as JSON
 */
export declare function formatJson(diagnostics: LintDiagnostic[]): string;
/**
 * Format diagnostics as SARIF (Static Analysis Results Interchange Format)
 *
 * @param diagnostics - Active (non-suppressed) diagnostics
 * @param rules - Full list of loaded LintRules for rich metadata (optional)
 * @param suppressed - Suppressed diagnostics with optional reason (optional)
 * @param version - Tool version string (optional, defaults to "0.1.0")
 */
export declare function formatSarif(diagnostics: LintDiagnostic[], rules?: LintRule[], suppressed?: Array<LintDiagnostic & {
    reason?: string;
}>, version?: string): string;
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