/**
 * Public shape of a single crumb when items are passed declaratively
 * via the `items` prop. Consumers can also build crumbs as nested
 * `<mud-breadcrumb-item>` children — the prop and slot paths are
 * mutually exclusive (prop wins when both are provided).
 */
export type BreadcrumbItem = {
    /** Visible label rendered as the crumb text and used for the accessible name. */
    label: string;
    /** Optional navigation target. When omitted, the crumb renders as plain text. */
    href?: string;
    /** Optional mud-icon name shown before the label (Figma "w/ leading-icon"). */
    iconStart?: string;
    /** When true, the crumb shows a spinner in place of the label. */
    loading?: boolean;
    /** When true, the crumb is rendered with the visited (magenta) color. */
    visited?: boolean;
    /** When true, the crumb is rendered as disabled (greyed out, not focusable). */
    disabled?: boolean;
    /** When true, marks the crumb as the active page (`aria-current="page"`). */
    active?: boolean;
};
/** Labels longer than this are truncated and wrapped in a tooltip showing the full text. */
export declare const BREADCRUMB_TRUNCATE_AT = 30;
/**
 * Emitted by `mud-breadcrumb` when any crumb is activated via click or keyboard.
 */
export type BreadcrumbSelectDetail = {
    /** Zero-based index in the rendered items array. */
    index: number;
    /** The crumb's label. */
    label: string;
    /** The crumb's href (if any). */
    href?: string;
    /** True when the activation came from the overflow menu. */
    fromOverflow: boolean;
};