/**
 * Entity index builder - creates fast lookup structures
 *
 * @deprecated Legacy eager-parse helper. New code should use
 * `scanIfcEntities()` plus `CompactEntityIndexBuilder`/`parseColumnar()`.
 */
import type { EntityRef, EntityIndex } from './types.js';
export declare class EntityIndexBuilder {
    private byId;
    private byType;
    addEntity(ref: EntityRef): void;
    build(): EntityIndex;
}
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