import type { AsciiProfile, ColorMode } from './types.js';
import { AsciiFrame } from './frame.js';
export declare const FRAME_FORMAT_VERSION = 1;
/** Serialize a frame to asciif/1 bytes (ALGORITHM.md §15). SoA/channel-planar. */
export declare function encodeFrame(frame: AsciiFrame): Uint8Array;
export interface FrameMeta {
    columns: number;
    rows: number;
    colorMode: ColorMode;
    profileFingerprint: string;
    profileId?: string;
}
/** Read frame header/metadata without needing the profile. */
export declare function peekFrame(bytes: Uint8Array): FrameMeta;
/** Decode asciif/1 bytes against the profile it was built with. */
export declare function decodeFrame(bytes: Uint8Array, profile: AsciiProfile): AsciiFrame;