import { Chunk, ChunkHeader, PNGUnit } from "./Chunk";
export declare class ChunkPhysicalPixels extends Chunk {
    unit: PNGUnit;
    x: number;
    y: number;
    constructor(x: number, y: number, unit: PNGUnit);
    static parse(length: number, type: string, crc: number, view: DataView, offset: number, header: ChunkHeader): ChunkPhysicalPixels;
    chunkComputeLength(header: ChunkHeader): number;
    chunkSave(header: ChunkHeader, view: DataView, offset: number): void;
    chunkClone(): ChunkPhysicalPixels;
}