import { FASTElement } from "@microsoft/fast-element";
import { Reference } from "../reference/index.js";
/**
 * # ReferenceList
 *
 * Composes a list of fluent references into a styled list with keyboard navigation. Meant to be composed inside of a ReferenceGroup component.
 *
 * ```html
 * <fabric-reference-list>
 *    <fabric-reference citation-index="1"></fabric-reference>
 *    <fabric-reference citation-index="2"></fabric-reference>
 *    <fabric-reference citation-index="3"></fabric-reference>
 *    <fabric-reference citation-index="4"></fabric-reference>
 * </fabric-reference-list>
 * ```
 */
export declare class ReferenceList extends FASTElement {
    /**
     * ## references
     * Encapsulated list of references
     * @type Array<Reference>
     */
    references: Array<Reference>;
    /**
     * ## _activeIndex
     * The index of the selected element in the list
     * @type number
     */
    private _activeIndex?;
    /**
     * ## _activeIndexChanged
     *
     * Checks for an active index and focuses the reference at that index.
     */
    _activeIndexChanged(): void;
    /**
     * ## activeIndex
     *
     * getter for the active index of the focused reference element in the list
     */
    get activeIndex(): number | undefined;
    /**
     * ## activeIndex
     *
     * setter for the active index of the focused reference element in the list
     */
    set activeIndex(newIndex: number | undefined);
    /**
     * ## handleIndexUp
     *
     * Indexes up and shifts focus to the next element. Called when the keyboard up arrows is presed.
     */
    handleIndexUp(): void;
    /**
     * ## handleIndexDown
     *
     * Indexes down and shifts focus to the previous element. Called when the keyboard down arrow is presed.
     */
    handleIndexDown(): void;
    /**
     * ## trapFocus
     *
     * A keyboard event handler that sets the focusable elements to the references array and routes keys to the corresponding action.
     *
     * @param event
     */
    trapFocus(event: KeyboardEvent): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
}
//# sourceMappingURL=reference-list.d.ts.map