getOwnExportInfo(name) {
		const info = this._exports.get(name);
		if (info !== undefined) return info;
		const newInfo = new ExportInfo(name, this._otherExportsInfo);
		this._exports.set(name, newInfo);
		this._exportsAreOrdered = false;
		return newInfo;
	}
@param {ExportInfoName} name export name
@returns {ExportInfo} export info for this name