import type { ElementSize } from "../useElementSize";
import { EMPTY_ELEMENT_SIZE } from "../useElementSize";
export type MeasuredSlotSize = ElementSize;
export { EMPTY_ELEMENT_SIZE as EMPTY_SLOT_SIZE };
/**
 * HomePage measured-layout slot ids.
 * Chrome slots (`topBar`, `bottomNav`) drive content clearance;
 * content slots (e.g. `highlights`) drive container-relative layouts.
 */
export declare const HOME_MEASURE_SLOTS: {
    readonly topBar: "home.topBar";
    readonly bottomNav: "home.bottomNav";
    readonly highlights: "home.highlights";
};
export type HomeMeasureSlotId = (typeof HOME_MEASURE_SLOTS)[keyof typeof HOME_MEASURE_SLOTS];
export type MeasuredLayoutRegistry = Record<string, MeasuredSlotSize>;
export type ContentClearanceOptions = {
    /** Slot id for fixed chrome above content (e.g. TopBar). */
    above: string;
    /** Slot id for fixed chrome below content (e.g. BottomNav). */
    below?: string;
    /** Extra px added to paddingTop (and paddingBottom when `below` is set). */
    gap?: number;
    /**
     * Used until the slot has a measured height &gt; 0
     * (SSR / first paint before ResizeObserver).
     */
    fallback?: {
        above?: number;
        below?: number;
    };
};
export type ContentClearance = {
    paddingTop: number;
    paddingBottom: number;
    aboveHeight: number;
    belowHeight: number;
};