type CardVariant = 'default' | 'outlined' | 'filled';
/**
 * `<dt-card>` — framework-agnostic card web component.
 *
 * Renders a card container with a solid border using the theme accent color
 * and no border-radius.
 *
 * ## Attributes
 * - `variant` — visual style: default | outlined | filled (default "default")
 *
 * ## Usage
 * ```html
 * <dt-card>
 *   <h3>Title</h3>
 *   <p>Card content goes here.</p>
 * </dt-card>
 *
 * <dt-card variant="outlined">
 *   <p>Outlined card with transparent background.</p>
 * </dt-card>
 * ```
 */
export declare class DtCard extends HTMLElement {
    static get observedAttributes(): string[];
    get variant(): CardVariant;
    set variant(val: CardVariant);
    constructor();
}
export {};
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