import type { DomPortalDescriptor, DomRenderState, MapTheme } from "@trackunit/react-map-adapter-shared";
import type { UseLayersReturn } from "../useLayers";
export declare const EMPTY_PORTALS: ReadonlyArray<DomPortalDescriptor>;
/** No-op subscribe for when a marker/cluster portal store is not available */
export declare const noopSubscribe: (_callback: () => void) => (() => void);
/** Empty snapshot for when a marker/cluster portal store is not available */
export declare const emptySnapshot: () => ReadonlyArray<DomPortalDescriptor>;
export declare const DEFAULT_RENDER_STATE: DomRenderState;
/** Delay before clearing hover state to prevent flickering from rapid mouseleave/mouseenter pairs */
export declare const HOVER_END_DEBOUNCE_MS = 100;
/**
 * Compute `DomRenderState` for a given feature ID by checking
 * whether it matches the current selected/hovered entity.
 *
 * `isMounting` is always `false` until slice 6 (SAGA-424) wires
 * `useMarkerMountBridge`.
 */
export declare const computeItemRenderState: (featureId: string, interaction: UseLayersReturn["interaction"], theme?: MapTheme, labelVisible?: boolean) => DomRenderState;