// final ITaglibDomainMetaDataModelContext modelContext =
// TaglibDomainMetaDataQueryHelper
// .createMetaDataModelContext(fileForDocument.getProject(), child.getTagIdentifier().getUri());
// .createMetaDataModelContext(project, child.getTagIdentifier().getUri());
IDOMPosition domPosition = new DOMPosition(_element, childCount++);
CreationData creationData = new CreationData(creationProvider,_model, domPosition, modelContext, child);
ElementCustomizationCommand command = new UserCustomizedElementCustomizationCommand(_model, childNode, creationData);
command.execute();
}
}