protected XamlWriterInternalBase(XamlSchemaContext schemaContext, XamlWriterStateManager manager, IAmbientProvider parentAmbientProvider = null)
{
this.object_states = new ObjectStateStack(parentAmbientProvider);
this.sctx = schemaContext;
this.manager = manager;
var p = new PrefixLookup(sctx)
{
IsCollectingNamespaces = true
}; // it does not raise unknown namespace error.
service_provider = ValueSerializerContext.Create(p, schemaContext, object_states.GetAmbientProvider, this, this, this, this as IXamlObjectWriterFactory);
}
