/**
 * Glass Slider — surface-transparency slider that drives `transparency` on the
 * theme engine; the engine writes `--bg-glass`, `--bg-glass-2`, `--bg-glass-3`.
 *
 * Mirrors Theme.jsx applyTheme L354-358:
 *   const t = clamp(transparency, 0, 0.30);
 *   root.style.setProperty('--bg-glass',   `rgba(${tint}, ${t * 0.5})`);
 *   root.style.setProperty('--bg-glass-2', `rgba(${tint}, ${t})`);
 *   root.style.setProperty('--bg-glass-3', `rgba(${tint}, ${t * 1.75})`);
 */
interface GlassSliderOptions {
    /** When true, render an inline "Solid · slider · Frosted" layout (Theme Studio body). */
    expanded?: boolean;
}
export declare class GlassSlider {
    readonly el: HTMLElement;
    private readonly input;
    private readonly value;
    constructor(options?: GlassSliderOptions);
    private applySliderFill;
}
export {};
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