import { AcApDocManager } from '@mlightcad/cad-simple-viewer';
import { AcDbLayerTableRecord } from '@mlightcad/data-model';
/** Built-in filter tree node that shows every layer. */
export declare const LAYER_FILTER_ALL = "all";
/** Built-in filter tree node that shows layers with entities. */
export declare const LAYER_FILTER_ALL_USED = "allUsed";
/**
 * One node in the Layer Manager filter tree (`AcLy*` / {@link AcDbDatabase.layerFilters}).
 */
export interface LayerFilterTreeNodeInfo {
    /** Stable UI id for the tree node. */
    id: string;
    /** Display name. */
    name: string;
    /** Whether this is a group (ID) filter. */
    isGroup: boolean;
    /** Nested child filters. */
    children: LayerFilterTreeNodeInfo[];
}
/**
 * Layer-filter composable for Layer Manager and other layer pickers.
 *
 * Reads the AutoCAD Layer Properties Manager tree from
 * {@link AcDbDatabase.layerFilters} (`AcLyLayerFilter` / `AcLyLayerGroup`),
 * not the flat {@link AcDbDatabase.objects.layerFilter} index dictionary.
 *
 * The selected filter is shared globally; the filter tree snapshot is per caller.
 *
 * @param editor - Application document manager that owns the active drawing.
 */
export declare function useLayerFilters(editor: AcApDocManager): {
    /** Nested filter nodes under the synthetic `All` root (excluding built-ins). */
    filterTree: import('vue').Reactive<LayerFilterTreeNodeInfo[]>;
    /** Currently selected filter tree node id (shared globally). */
    selectedFilterId: import('vue').Ref<string, string>;
    /** Whether the selected filter accepts the given layer record. */
    matchesSelectedFilter: (layer: AcDbLayerTableRecord) => boolean;
    /** Creates a property filter. See {@link createNamedFilter}. */
    createNamedFilter: (layerNames?: readonly string[], preferredName?: string) => string | null;
    /** Creates a group filter. See {@link createGroupFilter}. */
    createGroupFilter: (preferredName?: string, layerIds?: readonly string[]) => string | null;
    /** Re-reads filters from the active database. */
    syncFromDatabase: () => void;
};
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