import { ImageOptionsBase } from "./ImageOptionsBase.js";
import { PngFilterType } from "../Enums/PngFilterType.js";
import { PngColorType } from "../Enums/PngColorType.js";
import { FileFormat } from "../Enums/FileFormat.js";
export declare class PngOptions extends ImageOptionsBase {
    constructor();
    targetFormat: FileFormat | undefined;
    colorType: PngColorType | null;
    progressive: boolean | false | undefined;
    filterType: PngFilterType | undefined | null;
    compressionLevel: number | undefined;
    bitDepth: number | undefined;
}
//# sourceMappingURL=PngOptions.d.ts.map