import { ImagePartManagerBase } from "./ImagePartManagerBase";
import { ImageFormat } from "./ImageFormat";
import { Type } from "igniteui-angular-core";
/**
 * @hidden
 */
export declare class PngPartManager extends ImagePartManagerBase {
    static $t: Type;
    static readonly y: PngPartManager;
    constructor();
    protected get_s(): string;
    readonly s: string;
    protected get_t(): string;
    readonly t: string;
    protected get_u(): string;
    readonly u: string;
    protected get_m(): string;
    readonly m: string;
    r(a: string): ImageFormat;
}
