import type { Tool } from '@wrongstack/core/types';
export type FormatFixer = 'biome' | 'prettier' | 'auto';
export interface FormatInput {
    files?: string | string[] | undefined;
    fixer?: FormatFixer | undefined;
    check?: boolean | undefined;
    cwd?: string | undefined;
}
export interface FormatOutput {
    fixer: string;
    /** Parsed from formatter output when confidently available; undefined otherwise. */
    files_checked: number | undefined;
    /** Parsed from formatter output when confidently available; undefined otherwise. */
    files_changed: number | undefined;
    output: string;
    truncated: boolean;
}
export type FormatContext = Parameters<Tool<FormatInput, FormatOutput>['execute']>[1];
export declare const formatTool: Tool<FormatInput, FormatOutput>;
/**
 * Extract file counts from real formatter output. Biome prints stable summary
 * lines ("Checked 12 files in 30ms. Fixed 3 files."); anything else (including
 * prettier's per-file listing, whose shape varies by version and flags) yields
 * `undefined` rather than a guessed number.
 */
export declare function parseFormatterCounts(fixer: string, output: string, isCheck?: boolean): {
    checked: number | undefined;
    changed: number | undefined;
};
export declare function detectFixer(cwd: string): Promise<string | null>;
//# sourceMappingURL=format.d.ts.map