/**
 * Density Switcher — three-state pill (compact / comfortable / cozy).
 * Drives `density` on the theme engine; the engine writes `--density-row`.
 *
 * Mirrors Theme.jsx density step: 32 / 36 / 42px row heights.
 */
export declare class DensitySwitcher {
    readonly el: HTMLElement;
    constructor();
    private updateActive;
}
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