import { AttributeInfo } from '../internal/attributeInfo';
import { ImageSaveOptionsData } from './imageSaveOptionsData';
export declare const importsMapPngSaveOptionsData: {
    ImageSaveOptionsData: typeof ImageSaveOptionsData;
};
/**
 * Container class for png save options.
 */
export declare class PngSaveOptionsData extends ImageSaveOptionsData {
    /**
     * Attribute type map
     */
    static attributeTypeMap: Array<AttributeInfo>;
    /**
     * Returns attribute type map
     */
    static getAttributeTypeMap(): AttributeInfo[];
    constructor(init?: Partial<PngSaveOptionsData>);
    collectFilesContent(_resultFilesContent: Array<any>): void;
    validate(): void;
}