API Reference > imodeljs-common > Serialization > EGFBAccessors > EGFBAccessors.ArcPrimitive > getSizePrefixedRootAsArcPrimitive getSizePrefixedRootAsArcPrimitive MethodStatic getSizePrefixedRootAsArcPrimitive(bb: ByteBuffer, obj?: EGFBAccessors.ArcPrimitive): EGFBAccessors.ArcPrimitive Parameter Type Description bb ByteBuffer obj EGFBAccessors.ArcPrimitive Returns - EGFBAccessors.ArcPrimitive ArcPrimitive Defined in core/common/src/geometry/ElementGeometryFB.ts Line 994 Last Updated: 12 June, 2024