import { ToolActionDescription } from "./ToolActionDescription";
import { Type } from "./type";
/**
 * @hidden
 */
export declare class ToolActionGroupHeaderDescription extends ToolActionDescription {
    static $t: Type;
    protected get_type(): string;
    constructor();
    private dw;
    get actualBackIconColor(): string;
    set actualBackIconColor(a: string);
    private dx;
    get backIconColor(): string;
    set backIconColor(a: string);
}