ifcLoad(n, r, o) {
                    let l;
                    l = document.createElement("object"),
                    l.setAttribute("id", "IFCPlugin"),
                    l.setAttribute("height", "1"),
                    l.setAttribute("width", "1"),
                    n || l.setAttribute("type", "application/x-ifcplugin"),
                    document.getElementById("IFCPlugin") || document.body.appendChild(l),
                    this.ifcPlugin = new window.IFCPlugin(document.getElementById("IFCPlugin"),n,!0),
                    this.ifcPlugin ? (this.disclaimerDialog(),
                    this.ifcPlugin.create("", "", x => {
                        window.IFCError.IFC_OK === x.error_code ? this.ifcPlugin.getPluginVersion(L => {
                            if (window.IFCError.IFC_OK === L.error_code) {
                                const W = L.version;
                                console.log("VERSION: " + L.version),
                                this.ifcPlugin.getCertificateList(F => {
                                    let J = F.certs_list;
                                    J = J.filter(de => de.isValid()),
                                    console.log(`Is valid certificates: ${J.length}`),
                                    r({
                                        version: W,
                                        certs: J
                                    }),
                                    J.length || i.removeIfc(l)
                                }
                                )
                            } else
                                i.removeIfc(l),
                                o()
                        }
                        ) : (i.removeIfc(l),
                        o())
                    }
                    )) : o()
                }