API Reference > geometry-core > Serialization Serialization These classes are related to serialization of geometry classes. IModelJson.Reader, IModelJson.Writer -- Conversion of in-memory geometry objects to json objects for persistence and transmission. Classes Name Description BentleyGeometryFlatBuffer Top level entries to convert between GeometryQuery types and FlatBuffer Bytes. BSplineCurve3dH Weighted (Homogeneous) BSplineCurve in 3d Namespaces Name Description BGFBAccessors IModelJson ImodelJson namespace has classes for serializing and deserialization json objects Last Updated: 15 June, 2021