import { IFCHeaderValue, ItemReaderValue } from '../interfaces/IFC.interface';
import { IIFC } from '../interfaces/IIFC';
export declare class IFC implements IIFC {
    private loadedIfc;
    constructor(loadedIfc: string);
    getData: () => ItemReaderValue[];
    getHeader: () => IFCHeaderValue;
    private extractSections;
    private removeComments;
    private removeAllNewLines;
    private readHeaderSection;
    private readDataSection;
    private constructRawIfcItems;
    private separateIfcEntities;
    private getId;
    private getIfcType;
    private getIfcRawProperties;
}