import { AcDbObjectId, AcGeBox2d } from '@mlightcad/data-model';
/** One counted block instance (top-level or nested). */
export interface MlCountListInstance {
    /** Object ID used for selection/highlight (parent INSERT for nested). */
    id: AcDbObjectId;
    /** Referenced block definition name. */
    blockName: string;
    /** WCS insertion point used for area filter / zoom. */
    position: {
        x: number;
        y: number;
        z: number;
    };
    isNested: boolean;
}
/** Aggregated count row shown in the Count palette. */
export interface MlCountListGroup {
    key: string;
    blockName: string;
    label: string;
    count: number;
    instances: MlCountListInstance[];
}
/** Optional rectangular count area in WCS. */
export type MlCountListArea = AcGeBox2d | null;
/**
 * Collects countable block instances from model space, including nested
 * inserts inside referenced block definitions (AutoCAD Count behavior).
 */
export declare function collectCountListInstances(area?: MlCountListArea): MlCountListInstance[];
/** Aggregates instances into Count palette rows by block name. */
export declare function buildCountListGroups(instances: MlCountListInstance[], search?: string): MlCountListGroup[];
/** Selects the given object IDs in the active view. */
export declare function selectCountListInstances(ids: AcDbObjectId[]): void;
/**
 * Zooms the view to the geometric extents of the given object IDs.
 * Falls back to insertion points when extents are empty.
 */
export declare function zoomToCountListInstances(ids: AcDbObjectId[], fallbackPositions?: Array<{
    x: number;
    y: number;
}>): boolean;
/**
 * Prompts the user for a rectangular count area (or Entire via keyword).
 * Returns the selected box, `null` for entire drawing, or `undefined` if cancelled.
 */
export declare function promptCountListArea(firstCornerMessage: string, secondCornerMessage: string): Promise<AcGeBox2d | null | undefined>;
/** Convenience: rebuild groups from current drawing state. */
export declare function getCountListGroups(search?: string, area?: MlCountListArea): MlCountListGroup[];
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