import { FormatId, FormatSpec } from './types.js';
export declare function detectFormat(filename: string, mimeType?: string): FormatId | null;
/**
 * Get all registered format specs.
 */
export declare function getFormatSpecs(): readonly FormatSpec[];
/**
 * Get the format spec for a specific FormatId.
 */
export declare function getFormatSpec(id: FormatId): FormatSpec | undefined;