/**
 * <ry-theme-panel>
 *
 * Floating theme/mode selector panel.
 * Theme and mode are orthogonal — every theme supports light and dark.
 *
 * Usage:
 * <ry-theme-panel></ry-theme-panel>
 *
 * Themes: "none" (bare structure), "default", "ocean", "antigravity"
 * Modes: "auto" (OS preference), "light", "dark"
 *
 * Sets data-ry-theme and data-ry-mode on <html>.
 * Persists selection in localStorage.
 */
import { RyElement } from '../core/ry-element.js';
export declare class RyThemePanel extends RyElement {
    #private;
    setup(): void;
    get theme(): string;
    set theme(v: string);
    get mode(): string;
    set mode(v: string);
}
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