import type { ImageFormat } from '../core/types.js';
export declare function normalizeFormat(input: string): ImageFormat;
/** Extension (without leading dot) actually written to disk. */
export declare function extensionFor(format: ImageFormat): string;
/** Sharp's canonical format name. */
export declare function sharpFormat(format: ImageFormat): 'webp' | 'jpeg' | 'png' | 'avif';
//# sourceMappingURL=formats.d.ts.map