/**
 * image_rvq.ts — ImageRVQCodec: still-image generation as the single-frame case
 * of {@link VideoRVQCodec}. An image has no temporal axis, so every frame is a
 * keyframe (intra) — this wrapper just fixes `keyframeInterval = 1` and speaks in
 * single frames instead of clips. Deliberately thin: it reuses the video codec's
 * patchify + residual-VQ + learned codebooks + tolerant decode wholesale, so
 * there is exactly one implementation to maintain.
 */
import { VideoRVQCodec, type VideoRVQConfig, type Frame } from "./video_rvq.js";
export type { Frame } from "./video_rvq.js";
export declare class ImageRVQCodec {
    /** The underlying video codec (pass to `generateVideo`/`generateImage`). */
    readonly video: VideoRVQCodec;
    constructor(config: Omit<VideoRVQConfig, "keyframeInterval">);
    get vocab(): import("./multimodal_vocab.js").MultimodalVocab;
    get vocabSize(): number;
    get frameSize(): number;
    /** Encode one image to a `<vid> <key> codes… </vid>` token stream. */
    encode(image: Frame): number[];
    /** Decode a token stream to a single image (zeros if the stream yields no frame). */
    decode(tokens: number[]): Frame;
    /** Learn codebooks from a set of images (each is a one-frame clip). Returns recon MSE. */
    fit(images: Frame[], opts?: {
        iterations?: number;
        seed?: number;
    }): number;
}
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