import * as i0 from "@angular/core";
export declare class GtrDropdownHeaderDirective {
    get hostClasses(): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<GtrDropdownHeaderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<GtrDropdownHeaderDirective, "[gtrDropdownHeader]", never, {}, {}, never, never, true, never>;
}