type StatSize = 'sm' | 'md' | 'lg';
type StatVariant = 'default' | 'outlined' | 'filled';
/**
 * `<dt-stat>` — framework-agnostic statistic/metric display web component.
 *
 * Displays a metric/KPI with label, value, and optional description.
 * Designed for dashboards and system monitors.
 *
 * ## Attributes
 * - `label` — the metric label (e.g., "CPU Usage", "Memory")
 * - `value` — the metric value (e.g., "42%", "8.2 GB")
 * - `description` — optional descriptive text
 * - `size` — size variant: `sm`, `md` (default), `lg`
 * - `variant` — visual style: `default`, `outlined`, `filled`
 * - `trend` — optional trend indicator: `up`, `down`, `neutral` (shows +/− symbol)
 * - `trend-value` — value to display with trend (e.g., "+5%")
 *
 * ## Usage
 * ```html
 * <dt-stat label="CPU Usage" value="42%"></dt-stat>
 *
 * <dt-stat label="Memory" value="8.2 GB" description="of 16 GB used"></dt-stat>
 *
 * <dt-stat label="Uptime" value="99.9%" size="lg" variant="filled"></dt-stat>
 *
 * <dt-stat
 *   label="Traffic"
 *   value="12.5k"
 *   description="visitors today"
 *   trend="up"
 *   trend-value="+18%"
 * ></dt-stat>
 * ```
 */
export declare class DtStat extends HTMLElement {
    static get observedAttributes(): string[];
    private _container;
    private _labelEl;
    private _valueEl;
    private _descEl;
    private _trendEl;
    get label(): string | null;
    set label(val: string | null);
    get value(): string | null;
    set value(val: string | null);
    get description(): string | null;
    set description(val: string | null);
    get size(): StatSize;
    set size(val: StatSize);
    get variant(): StatVariant;
    set variant(val: StatVariant);
    get trend(): 'up' | 'down' | 'neutral' | null;
    set trend(val: 'up' | 'down' | 'neutral' | null);
    get trendValue(): string | null;
    set trendValue(val: string | null);
    constructor();
    attributeChangedCallback(name: string, _oldVal: string | null, _newVal: string | null): void;
    private _render;
}
export {};
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