import { ImageResponse } from '@vercel/og';
import { DirectoryPath } from './path.js';
export type FontTextOptions = NonNullable<NonNullable<ConstructorParameters<typeof ImageResponse>[1]>['fonts']>[0];
export type FontEmojiOptions = NonNullable<ConstructorParameters<typeof ImageResponse>[1]>['emoji'];
export type FontOptions = {
    emoji: FontEmojiOptions;
    text: FontTextOptions[] | undefined;
};
export type FontUtilsOptions = {
    dir?: DirectoryPath;
};
export declare class FontUtils {
    dir: DirectoryPath;
    constructor(param: FontUtilsOptions);
    getFonts(file: string, fetch: () => Promise<ArrayBuffer>): Promise<ArrayBuffer | Buffer<ArrayBufferLike>>;
}
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