import { UsaAccordionItem } from "./accordion-items";
import { UsaAccordionComponent } from "./accordion.component";
/**
 * A directive to put on a button that toggles panel opening and closing.
 *
 * Due to circular dependency issue, this toggle button is on a separate file
 */
export declare class UsaAccordionToggle {
    accordion: UsaAccordionComponent;
    panel: UsaAccordionItem;
    static ngAcceptInputType_UsaAccordionToggle: UsaAccordionItem | '';
    set UsaAccordionToggle(panel: UsaAccordionItem);
    constructor(accordion: UsaAccordionComponent, panel: UsaAccordionItem);
}