import type { VFile } from 'vfile';
import type { Link } from 'myst-spec-ext';
import type { LinkTransformer } from './types.js';
export declare class DOITransformer implements LinkTransformer {
    protocol: string;
    test(uri?: string): boolean;
    transform(link: Link, file: VFile): boolean;
}
//# sourceMappingURL=doi.d.ts.map