import { type Options } from 'prettier';
import { type Logger } from '../../utils/logging.js';
/**
 * Infers a parser for the specified filepath.
 *
 * This is a cut-down version of Prettier's built-in function of the same name;
 * ours operates purely on the `filepath` string and does not perform file I/O.
 * Prettier's internal `getInterpreter` function can open a file to read the
 * shebang, and its file descriptor usage can throw warnings on worker threads:
 *
 * ```console
 * Warning: File descriptor 123 closed but not opened in unmanaged mode
 *     at Object.closeSync (node:fs:530:11)
 *     at Object.closeSync (node_modules/graceful-fs/graceful-fs.js:74:20)
 *     ...
 * ```
 *
 * References:
 *
 * - https://github.com/prettier/prettier/blob/2.4.1/src/main/options.js#L167
 * - seek-oss/skuba#659
 */
export declare const inferParser: (filepath: string) => Promise<string | undefined>;
interface File {
    data: string;
    options: Options;
    filepath: string;
}
interface Result {
    count: number;
    errored: Array<{
        err?: unknown;
        filepath: string;
    }>;
    touched: string[];
    unparsed: string[];
}
export declare const formatOrLintFile: ({ data, filepath, options }: File, mode: "format" | "lint", result: Result | null) => Promise<string | undefined>;
export interface PrettierOutput {
    ok: boolean;
    result: Result;
}
/**
 * Formats/lints files with Prettier.
 *
 * Prettier doesn't provide a higher-level Node.js API that replicates the
 * behaviour of its CLI, so we have to plumb together its lower-level functions.
 * On the other hand, this affords more flexibility in how we track and report
 * on progress and results.
 */
export declare const runPrettier: (mode: "format" | "lint", logger: Logger, cwd?: string) => Promise<PrettierOutput>;
export {};