import * as i0 from "@angular/core";
import * as i1 from "../../../common/sapphire-view-encapsulation";
/**
 * Slot for optional extra content (such as {@link BadgeComponent sp-badge}
 * rendered under the heading and subheading.
 */
export declare class ModalHeaderExtraDirective {
    static ɵfac: i0.ɵɵFactoryDeclaration<ModalHeaderExtraDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ModalHeaderExtraDirective, "sp-modal-header-extra", never, {}, {}, never, never, true, [{ directive: typeof i1.UseComponentStyles; inputs: {}; outputs: {}; }]>;
}