import { Chunk, ChunkHeader } from "./Chunk";
export declare class ChunkBackground extends Chunk {
    paletteIndex?: number;
    r?: number;
    g?: number;
    b?: number;
    constructor(r: number | undefined, g: number | undefined, b: number | undefined, index: number | undefined);
    static parse(length: number, type: string, crc: number, view: DataView, offset: number, header: ChunkHeader): ChunkBackground;
    chunkComputeLength(header: ChunkHeader): number;
    chunkSave(header: ChunkHeader, view: DataView, offset: number): void;
    chunkClone(): ChunkBackground;
}