import { EventEmitter } from '../../stencil-public-runtime';
import { ToggleAriaRole } from '../../utils/accessibility.utils';
import { IconName } from '../nv-icon/nv-icons';
/**
 * The Pill component is an interactive, selectable chip used for filtering,
 * categorization, and compact toggle states.
 *
 * @slot leading-icon - Icon before the label.
 */
export declare class NvPill {
    private static readonly pendingRadioGroupSyncs;
    private static readonly radioGroupTabIndexCache;
    el: HTMLNvPillElement;
    private hasWarnedMissingLabel;
    /****************************************************************************/
    /**
     * The visible text inside the pill.
     */
    readonly label: string;
    /**
     * Whether the pill is currently selected.
     */
    selected: boolean;
    /**
     * Prevents all interaction with the pill.
     */
    readonly disabled: boolean;
    /**
     * Optional value emitted when the pill toggles.
     */
    readonly value?: string;
    /**
     * Optional leading icon rendered before the label.
     * @icon
     */
    readonly leadingIcon?: `${IconName}`;
    /**
     * ARIA role for accessibility contexts.
     * Defaults to button and can be overridden by group wrappers.
     */
    readonly pillAriaRole: ToggleAriaRole;
    /****************************************************************************/
    private get normalizedRole();
    private get resolvedLabel();
    private get hasInteractiveLabel();
    private get resolvedTabIndex();
    private get isRadioInRadioGroup();
    private isInteractiveRadioPill;
    private setPillTabIndex;
    private syncRadioGroupTabIndexes;
    private queueRadioGroupTabIndexSync;
    private handleRadioGroupArrowKey;
    private readonly toggleSelected;
    /****************************************************************************/
    componentDidLoad(): void;
    handleTabIndexAffectingChanges(): void;
    handleKeyDown(event: KeyboardEvent): void;
    handleHostClickCapture(event: MouseEvent): void;
    /****************************************************************************/
    /**
     * Emitted when the selected state changes.
     * Intentionally non-bubbling; consumers should listen on the pill element.
     */
    toggled: EventEmitter<{
        /** Whether the pill is selected after toggling. */
        selected: boolean;
        /** Backward-compatible alias for selected. */
        active: boolean;
        /** Optional value associated with the pill. */
        value?: string;
    }>;
    /****************************************************************************/
    render(): any;
}