import type { Plugin } from "esbuild";
export declare const FOURIER_ASSET_ORIGIN = "https://fourier.invalid";
export declare const FOURIER_IMAGE_ASSET_ROUTE = "https://fourier.invalid/__fourier_image_assets__/**";
export declare const imageAssetExtensions: readonly [".avif", ".bmp", ".gif", ".jpeg", ".jpg", ".png", ".svg", ".webp"];
export interface BundledImageAsset {
    readonly url: string;
    readonly mimeType: string;
    readonly base64: string;
}
/**
 * Bun 1.3's dataurl loader emits an empty string for target=bun. Stable virtual
 * URLs keep metadata/server/browser values identical without bloating scripts.
 */
export declare function imageAssetUrlPlugin(name: string, onAsset?: (asset: BundledImageAsset) => void): Plugin;
//# sourceMappingURL=image-assets.d.ts.map