import type RootStore from './RootStore';
/**
 * View-model store for the overlay bottom-sheet: derives the sizing inputs the
 * pure `<Overlay>` component needs (how tall the medium/full sheet should be)
 * from the current UI state. Keeps this presentation math out of the Container
 * and out of the already-large UIState.
 */
export default class OverlayStore {
    private readonly rootStore;
    constructor(rootStore: RootStore);
    private get ui();
    private get isRouteActive();
    private get isSearchListOpen();
    /**
     * Divisor for the medium sheet height (viewportHeight / multiplier) — larger = shorter sheet.
     *
     * Plain `@computed`, deliberately: a `keepAlive` computed never suspends, so
     * it stays registered on its whole transitive dependency chain — which ends
     * at the module-scope locale box in `utils/i18n.ts`. That box outlives the
     * plan, so a keepAlive here pins this store, its `rootStore`, the FloorPlan
     * instance and its render target for the life of the page (ADR-0011). The
     * body is arithmetic; there is nothing to memoize.
     */
    get mediumSizeMultiplier(): 3 | 7 | 9;
    /**
     * Pixels subtracted from viewport height for the full sheet (search box,
     * banners, safe padding). Plain `@computed` for the reason above — this one
     * reaches the locale box through `ui.shouldShowSearchButtons`.
     */
    get fullSizeOffset(): number;
}
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