import { type EventEmitter } from '../../stencil-public-runtime';
import { type IconName } from '../mud-icon/mud-icon.types';
import type { SidebarItemBadgeVariant, SidebarItemSelectDetail, SidebarItemToggleDetail } from './mud-sidebar.types';
/**
 * Sidebar item — a single navigation row inside a `mud-sidebar` / `mud-sidebar-group`.
 *
 * Renders as a link when `href` is set, otherwise a button. Expandable items
 * toggle a nested list (the `children` slot) and rotate a chevron.
 *
 * @element mud-sidebar-item
 * @slot - The primary label (overrides the `label` prop).
 * @slot children - Nested `mud-sidebar-item` elements revealed when expanded.
 * @part item - The interactive row.
 */
export declare class MudSidebarItem {
    /** Value reported when the item is activated. */
    value?: string;
    /** Leading icon name. Rendered filled while the item is active, where the icon has a filled drawing. */
    icon?: IconName;
    /** Primary label (overridden by slotted content). */
    label?: string;
    /** Optional right-aligned secondary label. */
    secondary?: string;
    /** Optional trailing tag text (rendered as an outlined `mud-tag`). */
    tag?: string;
    /** Optional trailing numbered badge count. */
    badge?: number;
    /**
     * How the `badge` count is drawn: `neutral` is Figma's grey numbered badge,
     * `notification` its red notification badge (a danger `mud-badge`).
     * @default 'neutral'
     */
    badgeVariant: SidebarItemBadgeVariant;
    /** Render as a link to this destination. */
    href?: string;
    /** Whether the item expands a nested list of children. */
    expandable: boolean;
    /** Whether the nested list is expanded. */
    expanded: boolean;
    /** Whether this item represents the current page/section. */
    active: boolean;
    /** Whether the item is disabled. */
    disabled: boolean;
    /** Collapsed (icon-only) rail — propagated by the parent `mud-sidebar`. @internal */
    collapsed: boolean;
    /**
     * Whether the default slot holds a label of its own. Whitespace-only text does not count: an
     * expandable item is written with its nested items on separate lines, and that whitespace is
     * assigned to the default slot, which would otherwise hide the `label` fallback and leave the
     * button without a name.
     */
    private hasLabelSlot;
    host: HTMLMudSidebarItemElement;
    /** Fired when a non-expandable item is activated. */
    mudSelect: EventEmitter<SidebarItemSelectDetail>;
    /** Fired when an expandable item is expanded or collapsed. */
    mudToggle: EventEmitter<SidebarItemToggleDetail>;
    componentWillLoad(): void;
    private hostHasLabelContent;
    private onLabelSlotChange;
    private handleClick;
    private renderBadge;
    private renderContent;
    render(): any;
}