import { UseBoundStore, StoreApi } from 'zustand';
export interface LayerSpec {
    name: string;
    render: () => React.ReactNode;
}
export interface LayersStoreState {
    layers: LayerSpec[];
}
export declare const useLayersStore: UseBoundStore<LayersStoreState, StoreApi<LayersStoreState>>;
export declare function createLayer(spec: LayerSpec): void;
export declare function removeLayer(name: string): void;
export declare function popLayer(): void;
/**
 * Subscribe to the LayersStore, returning the LayerSpec for the given layer.
 * This is good for listening to when a Layer gets removed from the store to
 * perform some other action (like toggling an open/close button).
 *
 * If this hook returns a value, the layer is visible. Otherwise, if the layer
 * is not visible, it returns undefined.
 */
export declare function useLayerSubscription(name: string): LayerSpec | undefined;
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