export declare const THREE_BLOCKS_THREE_CODEC_TRANSFORM_VERSION: "r185-codec-urls-v2";
/** Test seam for the injected worker keep-names shim. */
export declare const shimKtx2WorkerBodyForTests: (body: string) => string;
export interface ThreeCodecLoaderTransformResult {
    readonly code: string;
    readonly state: 'applied' | 'already-applied';
}
/**
 * Replace Three r185's static addon-relative codec URLs with the one runtime set owned by
 * `threeBlocks()`. Rollup otherwise emits those `new URL(..., import.meta.url)` targets even
 * though application adapters immediately call setDecoderPath()/setTranscoderPath().
 */
export declare function transformThreeCodecLoaderUrls(source: string, options: {
    readonly threeVersion: string;
    readonly kind: 'draco' | 'ktx2';
    readonly runtimePath: string;
    readonly id?: string;
}): ThreeCodecLoaderTransformResult;